Compare and contrast the roles of the federal government and the civil rights activists in achieving the goals of the civil rights movement from 1945 through 1968.

Explanation:

The protests of Americans on the streets through grassroots civil rights organization started after the second world war up until late 1968/9 and this era was also considered the second reconstruction of America because there was a lot of human right abuses especially against African-Americans.

African Americans in the congress during this era played a major role in pushing for civil rights but the most important factor that led to the congress signing into law a landmark civil right act in 1960 was due to the protests on the street against segregation. the Federal government through its executive power implemented the calls for human/civil rights

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

your answer would b. the missisipi river

hope i you : )