Cyrus McCormick built the mechanical reaper
Airplanes and chemical warfare were technological advances during world war 1.
Answer:
The agriculture in the western hemisphere developed nearly simultaneously as in Asia/eastern hemisphere.
Explanation:
A is not correct because it was almost at the same time where agriculture started developing in both hemispheres, with the evidence suggesting a difference of only a few hundred years.
B is not correct because the western hemisphere would not have been able to produce any great civilizations if agriculture was not well developed and the basis of the economy.
C is correct because independently, at nearly the same time, the people living in both hemispheres started to plant and rise some of the wild plants that they thought have great potential, thus giving birth to agriculture.
D is not correct because the climate conditions in the western hemisphere at that time would not have allowed people to engage in agriculture, especially not in large scale agriculture and to be able to produce enough food for themselves and have a surplus.
It was Called the frontier because some or most of the areas in America that where settled by ranchers hadn't been explored or discovered yet.
In 1776, he was part of the five-member committee that helped draft the Declaration of Independence<span>, in which the 13 </span>American<span>colonies declared their freedom from British rule. That same year, Congress sent </span>Franklin<span> to France to enlist that nation's help with the </span>Revolutionary War<span>.</span>
