The United States menifested its destiny by trying to expand from coast to coast. But first the americans have to kick out the native americans because the native americans are in there land and is blocking there way to menifest.
So your answer would be <span>acquired all the land between the Atlantic and Pacific Oceans</span>
Explanation:
1.Vietnam 60s early 70s
2 desert storm Early 70s last two months no longer
3korea never went bush called troops back by this time