Which of the following was necessary to fulfill the idea of Manifest Destiny?

A. nullification of unjust land grants
B. expansion of suffrage
C. the support of the Supreme Court
D. advances in transportation

To determine which of the options was necessary to fulfill the idea of Manifest Destiny, let's break down each option and analyze its significance:

A. Nullification of unjust land grants: This option refers to the idea that unjust land grants, typically referring to Native American land rights, would need to be nullified in order to make way for westward expansion. While this could be seen as necessary to justify Manifest Destiny from a historical perspective, it is not a fundamental requirement to fulfill the concept.

B. Expansion of suffrage: Suffrage refers to the right to vote. While the expansion of suffrage was an important aspect of American democracy, it is not directly tied to Manifest Destiny. Manifest Destiny primarily focused on the belief that it was the moral and divine duty to expand American territory from coast to coast.

C. The support of the Supreme Court: The Supreme Court represents the judicial branch of the United States government and has played a significant role in shaping American history and policy. However, although Supreme Court decisions influenced aspects of westward expansion, the support of the Court is not a prerequisite for fulfilling Manifest Destiny.

D. Advances in transportation: This option refers to the progress made in transportation infrastructure during the 19th century, particularly the expansion of railroads. Advances in transportation were crucial in facilitating and accelerating westward expansion. They made it easier for people, goods, and information to move across vast distances, thus enabling the idea of Manifest Destiny to become a reality. Therefore, advances in transportation are the most necessary factor among the options listed to fulfill the idea of Manifest Destiny.

In conclusion, of the options provided, advances in transportation were necessary to fulfill the idea of Manifest Destiny.