Under president coolidge, the concerns of mexican americans and african americans were
a. a high priority.
b. addressed in a series of fiery radio speeches.
c. answered with hostility.
d. largely ignored.

Under President Coolidge, the concerns of Mexican Americans and African Americans were D. LARGELY IGNORED.

President Coolidge favored policies that aided the growth of business and that creation of wealth benefited the nation as a whole. He focused more on growing businesses and did not dwell on the sufferings and discrimination that the Mexican Americans and African Americans experience in those times. His single-mindedness led to the booming of the national economy.

4.a depression is the answer

Spanish conquistadors demanded labour from natives.