Please help me I will give a brainliest

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Moral principles is what ? a. appreciation b. tariff c. fiscal d. ethics

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.