Jackson's policy that undermined his position was the use of federal power to forcibly relocate Native American Indian tribes to other parts of the country.
United States President Andrew Jackson encouraged westward expansion.
In order to accomplish that, he used his power to support the Indian Removal Act.
Throughout the Indian Removal Act, President Jackson supported westward expansion and settlement of white people in former Native American Indian lands.
On May 28, 1830, United States President Andrew Jackson signed the Indian Removal Act, inviting many Americans to settle territories in the west.
We conclude that by signing the Indian Removal Act, US President Jackson undermined his position as President by using his federal powers to remove Native American Indians from their territory.
Learn more about the relocation of Native American Indian groups here:
https://brainly.com/question/391834
