<span> it established the precedent by which the Federal government would be sovereign and expand westward with the </span>admission of new states<span>, rather than with the expansion of existing states and their established sovereignty under the </span>Articles of Confederation<span>. It was also precedent setting legislation with regard to American </span>public domain lands<span>.</span>
The Bering land bridge connected "<span>b. Asia and North America", since it was between what is now Russia and Alaska. This is how people originally migrated to the Americas. </span>
Vietnamization was a policy of the Richard Nixon administration to end U.S. involvement in the Vietnam War through a program to expand, equip, and train South Vietnamese forces and assign to them an ever-increasing combat role, at the same time steadily reducing the number of U.S. combat troops.
The statement that is true in the Pacific theater during World War II is that the Navajo Indians in the U.S. Marine Corps developed an unbreakable code using their native language.