More food= more people, more people means you need more food, which means you get people to make more food, which attracts more people, etc, etc.
The major physical feature that the pioneers crossing West had to contend with were the Rocky and Sierra Nevada Mountains.
These mountain ranges were treacherous and many died trying to find passages to cross.
The French came to join alliances with the colonists.
Also, it was the first war won by the Americans.
Answer:
1-John Deere’s plow
2-farmers no longer needed to harvest hand (McCormick’s reaper)
3-more cotton could be processed more quickly (Whitney’s cotton gin)
Explanation:
The New Deal was Franklin Roosevelt's program designed to fight the Great Depression.
