Which pair of circumstances represents an accurate cause-and-effect relationship? A) more jobs in factories-->migration of African Americans from the South to northern cities.

B) Dred Scott decision--> passage of the Fugitive Slave Law.

C) closing of the frontier--> completion of the transcontinental railroad.

D) establishment of Jim Crow laws--> beginning of Reconstruction

Why was america’s victory at yorktown among the most significant battles of the american revolution? a. it made the british realize they were fighting a lost cause and soon after, they conceded the war. b. it forced colonists who had so far remained neutral to pick a side and enlist in the war. c. it the continental army remove all british barracks from new jersey. d. it secure france’s military and financial aid for the american cause. e.

The supreme court serves what important function in the u.s. federalgovernment?

What was the significant advancement of the caravel? a. it could sail with the wind c. it could sail against the wind b. it could sail at night d. it was motorized