Why do some people believe we should buy products mainly from our own country?
a. they preserve peace.
b. they are easier to find.
c. they are cheaper.
d. they preserve jobs.

D. They preserve jobs.

Explanation:

America is an example of this. Businesses are moving their jobs to other countries that have weaker worker protections and cheaper production costs compared to the U.S.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.