With which US policy or principle was the construction of the Transcontinental Railroad MOST associated? (1 point)

Question

the Roosevelt Corollary
Manifest Destiny
the Monroe Doctrine
American exceptionalism

Answer 1

The construction of the Transcontinental Railroad was most associated with Manifest Destiny. This principle was the belief that the expansion of the United States across the American continents was both justified and inevitable, and the railroad played a crucial role in facilitating this expansion.