Answer:
<u>Increased U.S. involvement in Vietnam</u>
1) process of Vietnamization
2) invasion of Cambodia
<u>Decreased U.S. involvement in Vietnam</u>
1) authorized bombing of Cambodia
2) diplomatic efforts by the Chinese and Soviet Union
Explanation:
When looking back on history, one can see that since the 18th century, Britain had maintained the most powerful navy in the world (in WWII as well). So one could make the conclusion that being an island surrounded by water, that Britain’s powerful navy would give them the upper hand in war when it comes to accessing places via water.