Question

in abraham lincolns time, the united states allowed slavery. slavery means a person is owned by someone else and forced to work for them. many black people were enslaved in the united states. enslaved people had to do long, hard work without pay. they could even be sold and taken away from their families. some enslaved people tried to escape, but it was not always possible.
americans had different thoughts about slavery. slavery was allowed in all the southern states. many enslaved people worked on farms. but in most northern states, slavery was not allowed. at this time in history, new states were joining the country. these new states had to decide if slavery should be allowed or not.
lincoln wanted to be president. he gave speeches and said that slavery was wrong. he did not want any new states to allow slavery. many people in the country listened to his ideas. but other people were angry with lincoln. they were angry because they wanted to keep slavery.
in 1861, lincoln became president of the united states. most of the people who voted for lincoln lived in the north. people in the southern states were afraid that lincoln would end slavery. because of this, the south tried to leave the united states to make its own country.
what happened when lincoln became president?
new states decided to only allow slavery for a short time.
the south tried to break away from the u.s. to make a new country.
most states in the north made laws to allow slavery.
some states in the south decided to end slavery after a few years.

Explanation:

The passage states that when Lincoln became president, people in the Southern states were afraid he would end slavery. As a result, "the South tried to leave the United States to make its own country." This directly corresponds to the option "The South tried to break away from the U.S. to make a new country."

Answer:

The South tried to break away from the U.S. to make a new country.