The sandinistas for nicaragua overthrew a 40-year dictatorship
The triangle trade shipped goods from Europe to Africa, slaves from Africa to the Caribbean Islands, and goods from the Caribbean Islands to England
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.
