What supreme court case established the practice of "separate but equal"

Which statement does not accurately describe the columbian exchange and its consequences? a. wheat became a major crop in north america where it had never existed before. b. millions of africans were kidnapped into slavery to provide labor for profitable crops. c. cattle, sheep, chickens, and pigs were brought to europe for the first time. d. spanish conquistadors brought diseases with them and native peoples begin dying.

Who was the first president of the united states (just trying to y’all get points)

How did fundamentalism and nativism affect society in the 1920s