Which of these factors had a direct influence on the spread of postclassical empires

What is the importance of the american anti slavery society founded

What battle in the civil war was known as the bloodiest war ?

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