How people are moving West during westward expansion

Explanation:

Westward expansion, the 19th-century movement of settlers into the American West, began with the Louisiana Purchase and was fueled by the Gold Rush, the Oregon Trail and a belief in "manifest destiny."

Westward expansion, the 19th-century movement of settlers into the ... Despite this sectional conflict, Americans kept on migrating West in ... and thousands more moved into the Mexican territories of California, New Mexico and Texas. ... ended the Mexican War and added more than 1 million square miles, ...

Explanation:

the hereditary right of a monarch to rule from the mandate of heaven

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.