Answer:
4. Native Americans were forced out by competition for resources and hunger.
Explanation:
Andrew Jackson made an act "Removal Act" forcing Native Americans to move to another land, causing Trail Of Tears. Many had died by starvation and no warmth through the way. Americans wanted resources like gold, found in the Native American.
The Gulf of Tonkin joint resolution was passed by the US Congress so President Johnson can be authorized to take charge and use the military against Vietnam. The incident happened when the USS Maddox at Tonkin was attacked by Vietnamese using torpedos despite several warnings during a patrol round.
It was basically free labor for them and they pretty much got rich off of it
