What has decreased the exports of angola?

drought
civil war
corruption
famine

Explanation:

During the last five years the exports of Angola have decreased at an annualized rate of -13.7%, from $51.7B in 2011 to $25.4B in 2016. The most recent exports are led by Crude Petroleum which represent 88.8% of the total exports of Angola, followed by Diamonds, which account for 7.51%.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: