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We have previously mentioned the Homestead Law of 1862 by which anyone could obtain 160 acres of western land by agreeing to work it and produce a crop within 5 years. This was made possible by three agricultural advancements, the windmill, a special plow

This plow had a revolving blade, which turned the very hard soil
for caked prairie soil invented by John Deere and barbed wire, which would keep cattle out. Of course the latter, in itself, provoked seemingly endless atrocities and battles between the farmers and the scandalized cattlemen. But in the final analysis, transportation was the key to the development of the west. By the end of the century more than 175,000 miles of railroad track had been laid, the Pullman sleeping car had been invented, along with the Westinghouse brake and refrigerator car. The Union Pacific, Central Pacific, Northern Pacific, Southern Pacific and the Santa Fe railroads were all aided by government grants and were well established in this period. The terminals of these lines - Omaha. Kansas City, Oakland, Portland, Seattle and Tacoma - all became metropolitan cities within 30 years, while the populations of all the western states increased by 5 to 10 fold. Of course Chicago, a terminal not only for railroads but also for river and lake traffic from the Great Lakes region, became one of the busiest trade centers of the world.

Alexander Graham Bell invented the telephone in 1876 and Thomas A. Edison the incandescent light bulb in 1879. By 1885 the Bell Telephone Company had over 134,000 subscribers in the United States. Shipping tonnage on the Great Lakes increased from 100,000 in 1865 to 25,000,000 in 1901, with wheat and iron forming the chief cargoes. Pittsburgh became the center of the northern Appalachian coal fields and Birmingham, Alabama the hub of the southern Appalachian fields. Steel production reached 10,000,000 tons by 1900, outstripping the British output, yet farm products still greatly exceeded those of industry.

But over-production of goods and raw materials, over-capitalization of railroads and feverish speculation in securities brought financial panics in 1873 and 1893. After the latter, particularly, there were labor strikes with terrible violence. Trusts were formed, including the railroads and there were some very questionable business practices. The Interstate Commerce Act of 1887 was the federal government's first attempt to regulate the railroads and break up the trusts. The first ready-made plates for use in photography were developed in the 1880s and Henry Ford made his first twin-cylinder, water-cooled, 25 mile an hour car in 1896, although mass production did not materialize until after the turn of the century. (Ref. 213 )

In spite of the financial panic of 1873, factories tripled their output between 1877 and 1892 so that the United States became the leading industrial power of the world. The panic of 1893 occurred when the Democratic Party was in power, and it subsequently became stigmatized as the party of depression. Born as the son of a poor weaver in Scot- land, Andrew Carnegie went from oil to building to buying up iron and steel mills and then to railroads and steamship lines. His monopoly of steel helped him to weather the 1892-3 depression and 9 years later he sold his steel interests out to the United States Steel Corporation for $250,000,000, after which he started his career of fabulous philanthropy. (Ref. 8 , 151 )

Questions & Answers

what is microbiology
Agebe Reply
What is a cell
Odelana Reply
what is cell
Mohammed
how does Neisseria cause meningitis
Nyibol Reply
what is microbiologist
Muhammad Reply
what is errata
Muhammad
is the branch of biology that deals with the study of microorganisms.
Ntefuni Reply
What is microbiology
Mercy Reply
studies of microbes
Louisiaste
when we takee the specimen which lumbar,spin,
Ziyad Reply
How bacteria create energy to survive?
Muhamad Reply
Bacteria doesn't produce energy they are dependent upon their substrate in case of lack of nutrients they are able to make spores which helps them to sustain in harsh environments
_Adnan
But not all bacteria make spores, l mean Eukaryotic cells have Mitochondria which acts as powerhouse for them, since bacteria don't have it, what is the substitution for it?
Muhamad
they make spores
Louisiaste
what is sporadic nd endemic, epidemic
Aminu Reply
the significance of food webs for disease transmission
Abreham
food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
Mark
explain assimilatory nitrate reduction
Esinniobiwa Reply
Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
Elkana
This process is called assimilatory nitrate reduction because the nitrogen that is produced is incorporated in the cells of microorganisms where it can be used in the synthesis of amino acids and other nitrogen products
Elkana
Examples of thermophilic organisms
Shu Reply
Give Examples of thermophilic organisms
Shu
advantages of normal Flora to the host
Micheal Reply
Prevent foreign microbes to the host
Abubakar
they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
Mark
what is cell
faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
Akanni
ok
Innocent
cell is the structural and functional unit of life
Hasan
is the fundamental units of Life
Musa
what are emergency diseases
Micheal Reply
There are nothing like emergency disease but there are some common medical emergency which can occur simultaneously like Bleeding,heart attack,Breathing difficulties,severe pain heart stock.Hope you will get my point .Have a nice day ❣️
_Adnan
define infection ,prevention and control
Innocent
I think infection prevention and control is the avoidance of all things we do that gives out break of infections and promotion of health practices that promote life
Lubega
Heyy Lubega hussein where are u from?
_Adnan
en français
Adama
which site have a normal flora
ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
Asiina
skin,Oral,Nasal,GIt
Sadik
How can Commensal can Bacteria change into pathogen?
Sadik
How can Commensal Bacteria change into pathogen?
Sadik
all
Tesfaye
by fussion
Asiina
what are the advantages of normal Flora to the host
Micheal
what are the ways of control and prevention of nosocomial infection in the hospital
Micheal
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Source:  OpenStax, A comprehensive outline of world history (organized by region). OpenStax CNX. Nov 23, 2009 Download for free at http://cnx.org/content/col10597/1.2
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