Answer:
We cannot tell how long it has been, but we beleive it has been for about, approximately 15-30 years.
Explanation:
I believe it is Ethnocentrism.
The three primary reasons are <em>the requirements for Confederate states to reenter the Union; overseeing the rebuilding of a Southern economic infrastructure; the fate of millions of freed slaves.</em> These were the main issues and hot topics of American Civil War during that time.
Answer:
the answer is c
Explanation:
the clean water would be polluted due to the mining which would runoff into rivers