How did the columbian exchange affect the americas and europe?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

How did the constitution of 1917 try to resolve some of the problems that started the mexican revolution

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