Answer:
One of the major ways in which innovations in manufacturing led to improvements in transportation is that it allowed for the construction of the transcontinental railroad, which greatly increased the quality of life for most Americans.
Explanation:
Survival of the fittest.social Darwinism that the poor are unfit and weak and the rich superior.<span />
The answer is definitely A i put B on my USATestPrep and it was wrong
This is where the south and the north are divided, it is the border betweeen Pennsilvainya and Maryland
