) What was the purpose of forcing African Americans show they had "work for the

year"?

Which areas where seperated by the iron curtain

Brainliesttt !me : ) what brought about the end of the soviet union?

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste