Eli Whitney is credited with putting the concept of using mass-produced interchangeable parts into practice. He came up with this concept during a war, when he used these parts to create guns.
Your answer is (4) controlling the supply of oil to raise prices
Answer:
Discourses on Livy (1531) and The Prince (1532)
I think it is the last answer choice
It was primarily groups of Americans and immigrants who wished to start new lives on farms and other rural projects who moved to the west, since during this period of migration there were very few established towns in which to work.
