PLZ UP what are the key tenets of democracy? and how did the country change because of the civil war and reconstruction?

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

Who was the top of the feudal system hierarchy

What was the “u-2 incident” and how did it affect u.s./soviet relations in 1960?