Hello There!
To prevent the spread of communism in Southeast Asia is why did President Kennedy get the United States involved in the Vietnam War so the reason was the usage of containment policy.
In 1821, William Becknell led a wagon train from Independence, Missouri, to Santa Fe, New Mexico. The wagon train led by William Becknell then established a <span> route for international trade with Mexico.</span>
Because its an everyday thing. Its not something new
