What is Dred Scott known for? A. he was emancipated under the Missouri Compromise

B. he started a major riot in 1863

C. he sued in court for his freedom

D. he was a famous slave of Thomas Jefferson

Why were factories a good source of income? select all that apply. -they produce goods at an exceptionally fast pace. -they build a sense of community among workers. -they often employed low wage earners. -they employed women and children at disgracefully low wages. -labor unions to establish good working conditions.

Brainliesttt !me : ) how did the world react to liberalization measures from the soviet union?

What from the columbian exchange had perhaps the biggest impact on the world?