During the post revolutionary. the southern states allowed for the gradual emancipation of slaves true or false

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

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

Which is an effective question for launching history inquiry related to the cold war