Answer:
The impact was mainly the American failure to commit to the policy of containment. The North Communist regime was able to take over the South, a victory for the Soviets and the Communists. Another more important (in terms of U.S history) impact was the creation of the Nixon Doctrine, which declared that future allies would only attain U.S support without the extensive use of U.S military action.
I m not 100 % sure but i think it was c because they both wanted gold and i started a big fight over it and eventually a war<span />
Answer to this question it seems to be "A".
by getting ready for battle and war