American isolationist sentiment actually began immediately following the Revolutionary War and then increased drastically after WWI, when many American troops died for a war overseas.
Answer:
one of the unlimited powers is presidential pardons
They felt like they were being invaded because of how they were treated.
The French explorer Pedro Vial pioneered the route in 1792 and the Santa Fe Trail<span>was established in 1821 to </span>take<span> advantage of new trade opportunities with Mexico which had just won independence from Spain in the Mexican War of Independence.</span>