The statement which describes the idea of Manifest Destiny that affected demographic changes in the United States during the 19th century is '' It resulted in large numbers of white Americans relocating from east to west''
Answer: Option A
<u>Explanation:</u>
The Manifest destiny was a doctrine that said the United States of America is destined to spread and expand it's territories from the Atlantic coast to the Pacific oceans.
This also justified why the United States had acquired other nations of the workday. This made the country very strong and attracted a lot of people from the east side to the west side because of better living standard and that is was superior to other regions of the world.
Fredrick Douglas was the African American who said the Mexican War was "disgraceful" because he thought if America would annex Mexico then slavery would be carried over into the new territory.
to conserve the scenery, natural and historic objects and wildlife within the parks and to “provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.