It would be the development in agricultural knowledge/technology
Development in agriculture enable hunter/gatherer society to shift their behavior. Before this, they had to keep moving from one place to another in order to seek food to live.
After the development in agricultural knowledge/technology, the society now can stay in one exact place for a long period of time and relied on agricultural product as their main source food.
After living in one same place for a long time, the needs to build things to accommodate their living start to arise. They start to built several things and repeat the process every year. In the end, large cities were developed from the initially small hunter/gatherer society.
Germany was similar to Italy because revolutionaries in Germany and Italy called for unification
The guess what be The Knights of labor *not sure if this is 100% correct*.
Answer:
The Cold war has also affected us today by helping the West evade Communist rule; without intervention from The U.S. forces China and The Soviet Union might have conquered Europe and The U.S.. Finally, The Cold War helped form modern day friendships, alliances and hostilities between countries.
Explanation:
Democrats held power for so long during the 30s, 40s, and 50s because the country entered the Great Depression. Democrats dominated this time period because its liberal policies and programs with FDR's "New Deal" were seen as the best way to combat the emergency bank closings.