Answer:
People start to domesticate plants and animals, Agriculture allows people to live in one place, Settlements begin to have boundaries
Explanation:
People started to learn how to domesticate plants and animals first. When you have plants, you have agriculture. When you have crops, you have to start losing your hunting and gathering ways to stay put (settlements begin to have boundaries).
Answer:The election of a Republican, Abraham Lincoln, to the presidency of the United States and fears that Republican control of the executive branch would threaten slavery and the traditional rights and liberties of Americans precipitated the secession crisis in Texas and elsewhere.
Explanation:
I would have to say, it was the beginning of a new era in naval warfare, not 100% positive though