Answer: The Monroe Doctrine was a United States policy that opposed European colonialism. The Roosevelt Corollary was just an addition to the Monroe Doctrine.
Answer:
The Olmec were the first major civilization in Mexico. They lived in the tropical lowlands on the Gulf of Mexico in the present-day Mexican states of Veracruz and Tabasco. The name Olmec is a Nahuatl—the Aztec language—word; it means the rubber people.
Explanation:
The correct answer is the First Battle of Bull Run (aka the First Battle of Manassas)
At the First Battle of Bull Run, spectators actually came out to watch the battle. The battle a shocking wake up call to everyone there.