What exact year was abraham lincoln referring to when he said “four score and seven years ”

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

Pls me! the most famous slave rebellion in the south was led by in 1831. a. toussaunt louverture b. wat tyler. c. nathanial bacon. d. nat turner.

How did the boll weevil mostly affect georgia's economy? a) it forced georgia to have a manufacturing economy. b) it caused rice to be georgia's only money-making crop. c) it caused a major upset to georgia's cash-crop economy. eliminate d) it gave more economic opportunity to the pest controllers.