How did the plantation system effect the economy in the southern colonies?

Social darwinism applies what theory to human society

Public opinion is of most value when the people who hold an opinion that opinion.

2. every fitness program should include a. a longer warm-up period than cool-down period. b. a warm-up, a primary conditioning period, and a cool-down. c. at least 60 minutes of cardio activity. d. at least 15 minutes of vigorous activity.