During the great depression of the 1930s, the national government
a. provided health care to americans on a temporary basis, as a means of alleviating economic hardships.
b. provided vast sums to the states so they could meet their citizens' welfare needs.
c. asserted the power to regulate the nation's economy.
d. provided vast sums to business firms to keep them out of bankruptcy.
e. utilized laissez-faire capitalism in its policies.

C. Asserted the power to regulate the nation's economy.

Explanation:

During the Great Depression of the 1930s, the national government asserted the power to regulate the nation's economy.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.

its d i know cause i've been googling it