Based on the conditions above, the condition that the
soldier contract from fighting in trenches in the World War I is the trench
foot which is letter d. This is a medical condition in which soldiers from the World
War I suffered, this is where the feet has exposed in a prolong period time in
an unsanitary, cold and damp conditions that causes the surface of the tissue
to blacken and die.
U.S. foreign policy shifted away from "isolationism" to international involvement, since the US started to steer away from Washington's idea that it should remain as detached from foreign issues as possible.
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
Answer: all of the above
Increased globalization has been possible, because (in the words of New York Times journalist, Thomas Friedman) the world has become flatter. Thus, due to technological advances and reduction of barriers companies have increasingly become
