<u><em>Basically for political interests and expansion. </em></u>
<u><em>Infact new leaders could be found in the different new cultures in case of problems with America or Europe. Through the conquest and migration, Polynesian culture was introduced in the isles too, beyond the initial territories</em></u>
Sam Houston was a great political figure. He got Texas independence on the day of the Battle of San Jacinto. He was Governor of both Tennessee and Texas. He was a U.S. Senator and a U.S. Congressmen. He was a frontiersmen, statesmen, great orator, and accomplished military man. He is one of the founding fathers of Texas and a great Indian Rights Supporter.
FYI: He started the saying “Remember the Alamo!.
A pledge to fight communism
Both nations did not want to fight directly because of the threat of a nuclear Holocaust, They were the most powerful nations that spread influence and dominance to surrounding countries and fighting them directly would have started another World war.