According to Jacksonian Democrats, what was justified by Manifest Destiny?

A
.

extending suffrage to all male US citizens
B.

imposing high tariffs to reduce international trade
C.

appointing party loyalists to government jobs
D.

expanding US borders into American Indian territory

D. expanding US borders into American Indian territory

D. expanding US borders into American Indian territory

According to Jacksonian Democrats, the idea of Manifest Destiny justified the expansion of US borders into American Indian territory. To arrive at this answer, we can break down the question and the answer choices:

A. Extending suffrage to all male US citizens: This answer choice doesn't directly relate to Manifest Destiny. It pertains more to the concept of democratic ideals and political inclusion.

B. Imposing high tariffs to reduce international trade: This choice focuses on economic policies such as protectionism, which is not directly related to the expansion of US borders.

C. Appointing party loyalists to government jobs: While this answer choice does relate to the actions of Jacksonian Democrats, it is not directly tied to Manifest Destiny or the question being asked.

D. Expanding US borders into American Indian territory: This answer directly reflects the principle of Manifest Destiny, which was the belief that it was the United States' destiny to expand westward, even if it meant encroaching upon American Indian lands.

Therefore, the correct answer is D. Expanding US borders into American Indian territory, as it aligns with the Jacksonian Democrats' justification of manifest destiny.