The asnwer is A they were overcrowded and unclean
The correct answer is - D. how to make iron.
The Zhou dynasty was one of the greatest dynasties of China, and among many achievements of their reign, the artisans of this dynasty managed to learn how to make iron. This was revolutionary for the Chinese people, and it was of great use in the agriculture after the tools for it started to come in iron version, and it made everything much easier, quicker, and more efficient.
The United States really didn't want to get involved in either of these wars, however the decision to enter WWII was far easier since the Japanese bombed Pearl Harbor. After WWI, the Us become havily isolationist, while after WWII they were forced to be more engaging since the Col War was underway.
A. End slavery in the confederate states.
Answer:
From what I remember, it was a revolution that overthrew the Czar and the government. The Czar wasn't very popular after the first world war, they lost a lot of people. The German's sent a radical named Vladimir Lenin back to Russia to get the Russians in a civil war. Backed by the Germans and the disapproval of the Czar, it wasn't hard for the people to listen to the "man of the people" Lenin and eventually overthrow the government.
