Steel: 4. provided a tough, efficient building material for industrial purposes
Eli Whitney: 2. developed system of interchangeable parts; increased population
Assembly Line: 3. made putting together of goods piece by piece; increased production greatly
Steam Power: 1. enabled building of factory away from rivers; powered machines
Answer:
I think it is Commander and Chief
Explanation:
He held this spot during the war before he became President of the US wich during the war they were not free so they could not have a leader so he was the Commander and Chief.
The chinese were looking for more land to colonize and exploit
Answer:
By 1929, there were many weaknesses in the American economy. The economic boom was faltering. It was too heavily based on cars and consumer goods.
Explanation:
