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.