Answer:
Read Exp:
Explanation:
Barack Obama was the first African-American ever to be elected president.
Answer:
conservation -prevention of wasteful use of a resource. All of these are preserving the earth from ruining the atmosphere! Its A.
Explanation:
Answer:
There were many new opportunities in western united states in the 1800s. There was a gold rush in California and many traveled there seeking profit from selling gold. There was also a lot of unclaimed land that farmers wanted to claim. New territories needed new governments as more people were moving west. Many also moved to the west for railroad work. This is why many people moved to the American west.
You're answer is going to be C
