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The American Telegrapher: A Social History, 1860-1900 (1988) Gallagher, Edward A. Getting the message across: the story of Western Union ((Newcomen Society, 1971) Hindle, Brooke. Emulation and Invention (1981), compares telegraph and steamboat. Hochfelder, David. The Telegraph in America, 1832-1920 (The Johns Hopkins University Press, 2012 ...
The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.
The Routledge Handbook to the History and Society of the Americas. New York: Routledge (2019) Keen, Benjamin, and Keith Haynes. A History of Latin America (2008) Kennedy, David M., Lizabeth Cohen, and Thomas Bailey. The American Pageant (2 vol 2008), U.S. history; The Canadian Encyclopedia; Morton, Desmond. A Short History of Canada 5th ed (2001)
Robert Harding Whittaker (December 27, 1920 – October 20, 1980) was an American plant ecologist, active from the 1950s to the 1970s.He was the first to propose the five kingdom taxonomic classification of the world's biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1969.
Hodge, M.J.S.: Darwin and the laws of the animate part of the terrestrial system (1835-1837): on the Lyellian origins of his zoonomical explanatory program. 1–106. Maienschein, J.: Experimental biology in transition: Harrison's embryology, 1895–1910. 107–127.
In the early decades of its history, the United States was relatively isolated from Europe and also rather poor. At this stage, America's scientific infrastructure was still quite primitive compared to the long-established societies, institutes, and universities in Europe. Eight of America's founding fathers were scientists of some repute.
Technically wheat is an invasive species in most of the countries it is grown, but because it is economically important to humans we don't classify it as such. In a way, biological globalization allowed for the economic growth of many countries on the global scale, like America and Ukraine, where wheat became a huge export.
A diagram of the political system of the United States. The full name of the republic is the "United States of America". No other name appears in the Constitution, and this is the name that appears on money, in treaties, and in legal cases to which the nation is a party. The terms "Government of the United States of America" or "United States ...