Which idea below is associated with the Westward Expansion Era? Federalism
Constitution
Manifest Destiny
Civil Disobedience

Manifest destiny.

Explanation:

This is because manifest destiny is the idea and belief system that was coined in 1845 that United States of America is destined by God and those that settles in America are dim fit to spread across North America continents as the are fit and survive.

They needed temperature protection and protection from predators. For this reason they needed clothes and some kind of weapon made of bones or stones.

Explanation:

Humans left Africa due to very efficient evolutionary traits, such as the development of the opposing thumb, bipedalism, increased mental capacity, and the ability to make and use objects to achieve their goals.