The Civil War in the United States began in 1861, after decades of simmering tensions between northern and southern states over slavery, states’ rights and westward expansion.
Answer:
2
Explanation:
The USA is bordered by Canada and Mexico.
Do you have the options? If not I'd say European Imperialism was started by Portugal.
They were very important workers because they helped the country a lot
It is becoming increasing popular around the world and many of the countries have had civil wars over it.
