Either communist oppression or Germany's strength. I'm not sure.
A is correct I did the test and got 100% on it
"A<span>s a refueling station for U.S. ships traveling to the Philippines" would be the best option from the list since Guam was only captured in the 20th century, which put the US into two world wars with reach into the Pacific.</span>
It mught give some extra events some more background events stuff that happened that they did not know bout