Cuba recently abandoned this economic system?
Command economy
Mixed economy
Traditional economy
Market economy

Command economy

Explanation:

A command economy refers to an economic structure that regulates the manufacturing, distribution, and cost of goods and services by the government of a nation. The Cuban government has a tradition of socialist command economy but recently we have noticed that the government has loosened the control on the market. Economist expects that the Cuban economic structure is inclined towards a mixed economic system in recent years.

c]extended voting rights to african americans

because the vietnam war was fought in an especially brutal and untraditional way