The woodland period which was from 100 BCE to the time Europeans reached the eastern part of the Americas.
Answer:
The act intensified the issue over slavery in the United States Congress.
Explanation:
The Kansas-Nebraska Act of 1854 allowing settlers of a region to decide whether slavery to be approved within a new state's borders, and allowed for popular sovereignty. It also led to a violent rebellion called Bleeding Kansas. It was a rebel between antislavery and proslavery activists who flooded into the territories.
It upset the balance of free and slave states in the US.
More food= more people, more people means you need more food, which means you get people to make more food, which attracts more people, etc, etc.