Why were river systems important in supporting early civilizations and in them flourish?

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

Which at first gave the south an edge in the civil war? a. a better-equipped army b. the invention of ironclad ships c. the drafting of slaves into the army

Which term is synonymous with natural rights according to enlightenment philosophers legal rights divine rights positive rights universal rights