I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
Lake Balaton hope this helps.
During the American Revolution, he led the colonial forces to victory over the British and became a national hero. In 1787, he was elected president of the convention that wrote the U.S. Constitution.
Answer:
The Industrial Revolution
Explanation:
The trend toward city life, also known as urbanization, was caused by industrialization. Many families left their farms to work in factories in the cities. This lead to a rapid move towards city life in the 1800's :)
