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

architecture i think.

i hope this !

c

the articles of confederation placed most of the power on the feds

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.