The answer is the last one, " Atlantic Ocean to the Pacific Ocean".
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
<span>Prince Henry's exploration of the coast of Africa resulted in large contributions by the government. As a result of his navigation's, an institute sponsored by the government was established.This institute was used to store books and charts of previous ventures as well as house a school where contemporary travelers could study provide reports on their journeys.
Another of prince Henry's greatest accomplishments from his navigation was the establishment and foundation of the Portuguese empire. This resulted in a large contribution to the effort to avoid trade routes controlled by Muslims in Eastern Africa and the Middle East.</span>