Raising crops to be sold is called commercial farming
The nations that fielded jet fighters during world war ii were: Germany, United Kingdom, United States, Japan, and the Soviet Union.
World war ii became the first war when jet aircraft was used in combat. Back then, the nations that could use this technology are only the leading industrialized nations.
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Irrigation is the spreading of water over crops for the purpose of farming. The way it's done can vary, but its general use is as described above. Sprinklers and aboveground canals are two examples of it.
The event that convinced American leaders to call the grand convention was Shay's Rebellion. Shays' Rebellion constituted a wave of violent attacks on courthouses and other government properties in Massachusetts, initiating in 1786, which resulted in a full-blown military confrontation in 1787.
B, the second great awakening sparked a number of reform movements (religious)
