Answer:
D. because it allowed them to move west and yo move supplies and stuff to and from allowing for easier trade
One cause of the unparalleled material abundance of the United States in the 1950s is the population where in the population likely increase for about thirty million-- contributing to the unparalleled material abundance in the United States during the 1950s.
What was the original format of the historical account
Answer
john quincy adams
Explanation: on your work books in edg