Answer:
All of the above
Explanation:
The Manhattan Project was a collaboration effort made by allied forces to develop a nuclear bomb. When they were finally successful, they used the bombs on Hiroshima and Nagasaki which caused Japan to surrender.
Explanation:
By the end of the seventeenth century, the Chesapeake area and the southern colonies, with their enormous rice plantations, developed an economic system wholly dependent on slavery.
The use of posters during WWI was part of the government's propaganda to try to get men to join the military.
Answer:
I think it's industrialization
Explanation:
meaning: Industrialization is the period of social and economic change that transforms a human group from an agrarian society into an industrial society. This involves an extensive re-organization of an economy for the purpose of manufacturing.
