What was the primary justification that proponents of Manifest Destiny used to support westward expansion?

The need to acquire more territory for military bases.

The mission to spread American democratic institutions and values.

The economic necessity of controlling the North American fur trade.

The desire to form a defensive buffer against European powers.

Which of the following was a direct result of the widespread belief in Manifest Destiny during the 1840s?

A significant increase in migration by American families to the Oregon Country.

A peace treaty with Great Britain that immediately divided the Oregon territory.

A decline in the fur trade as mountain men returned to the eastern states.

The United States selling its territorial claims in Oregon to Spain.

Missionaries sent by eastern churches.

U.S. soldiers ordered to build forts.

Thousands of farmers and families inspired by Manifest Destiny.

Mountain men who decided to give up the fur trade and start farms.