Which benefit suggestions of united states and its citizens have the right and duty to spread democracy across the continent and feel the land from coast to coast

Manifest Destiny is the belief that Americans were destined to expand across North America from coast to coast.

The Emancipation Proclamation is an executive order by Abraham Lincoln freeing the slaves.

The Monroe Doctrine was a United States policy of opposing European colonialism into the Americas.

Lastly, The Louisiana Purchase was the purchase of the Louisiana territory by the US from France.

Manifest Destiny is the best answer.

Ithink it was the jungle