Ireally need quickly ! how did the reagan doctrine affect the cold war? (choose all that apply).

a. it provided intricate defense programs to block soviet attempts to start a nuclear war.
b. it provided assistance to resistance movements in communist-backed governments.
c. it reinforced the ideas of the monroe doctrine by removing soviet influence in the western hemisphere.
d. it established a policy for dealing with the imperialistic nature of another superpower.

how did the second great migration lead to social developments that improved the racial identity in the 1950s?
a. the second migration saw the movement of successful northern african american businessmen back to the south to facilitate political change.

b. african americans could find northern voting blocks that would allow them to elect their own representatives to the united state congress.

c. the majority of urban african americans were able to climb up the ladder of success and change past discriminations.

d. african americans could petition the national government for changes to southern jim crow laws by moving to urban northern industrial centers.

B. According to doctrine Reagan, the United States provided frank and secret assistance to anti-communist partisans and resistance movements to "lower the communist governments supported by the Soviet Union to the previous level" in Africa, Asia, and Latin America. The doctrine was designed to reduce the Soviet influence in these regions as part of the complete strategy of the Cold War administration.

D.By the end of the nineteenth century, the "Jim Crow Laws", which had established a regime of racial segregation in that part of the country, had finally prevailed in the south. Part of that, partly poverty pushed blacks to move to other states. This "Great Migration" has resulted in a massive movement of African Americans from rural Southern states to industrial cities in the north and west of the country.

I hope it helps you)

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes

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.