A.
a popular cattle drive route in the years after the Civil War" is the correct response, since this trail was used primary by ranches moving from Texas up north.
US owning 50% of the worlds wealth did not affect WWll at all
Oregon was inhabited by many indigenous tribes before European traders, explorers, and settlers arrived. An autonomous government was formed in the Oregon Country in 1843 before the Oregon Territory was created in 1848. Oregon became the 33rd state on February 14, 1859.
The Truman Doctrine, also known as the policy of containment, was A, the informal declaration of the Cold War. The Marshall Plan came latter and was aimed at getting European countries on our (US) side by finical means.