After slavery was abolished in the South, what type of cheap labor did plantations rely on?
A. Mechanical labor
B. Convict labor
C. Union labor
D. Immigrant labor

June 19 is often a holiday in texas. it is emancipation day. what important event happened on emancipation day? a) it marks the end of slavery in texas. b) it marks end of the texas revolution. c) it marks the day texas became a state. d) it marks the last battle of the texas revolution.

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.

Which consumer uses the less water in the united states each year? a. livestock b. power generation c. industry and mining d. public water consumption