Because of British seizure of American ships and because of impressment of American seamen. :) I hope this helps!
Answer:
Manifest Destiny was the idea that white Americans were divinely ordained to settle the entire continent of North America
Explanation:
is the idea that the United States is destined—by God, its advocates believed—to expand its dominion and spread democracy and capitalism across the entire North American continent.
They wanted to create an antislavery majority there
