In the 1840s and 1850s manifest destiny was tied up with the ? Issue

The phrase “manifest destiny” suggested that expansion across the American continent was obvious, inevitable, and a divine right of the United States. Manifest destiny was used by Democrats in the 1840s to justify the war with Mexico.

Explanation:

 Westward expansion and war with Mexico.

Explanation:  Both government and individual felt nothing should stop the all-powerful drive to expand the size of the country.

b

explanation:

the answer is :

transatlantic