What was a key focus of post–World War I US foreign policy? A.
containing the spread of communism throughout the world

B.
assisting European powers in the colonization of Latin America

C.
limiting the country's involvement in international affairs

D.
eliminating barriers to trade to promote global economic growth

c.) the country needed a stronger central government.

i am pretty sure it is a

once he became head of state in 1915, venustiano (his name was not victoriano) carranza was able to implement some of his ideas, such as the drafting and the promulgation of the mexican constitution of 1917, which is still the current constitution of that country.