The Civil War divided the people of the United States. In some cases, the war separated families, as brothers fought against each other.
The southern states were on one side of the Civil War. The South wanted to preserve slavery and its agricultural way of life. The northern states were on the other side. The North had many factories and machines, but it had very few farms. The North wanted to end slavery.
The causes of the Civil War have been debated among historians for years. Many say that slavery was the root cause. Most historians agree that the Civil War had many causes. The North and South had differences in not only ways of life but also economics and ideals. There were also many arguments between the federal government and the states over rights and powers. Historians mention the disorder of American politics and the constant mistakes of politicians. All explanations for the causes of the Civil War have revolved around the issue of slavery.
The grief and bitterness from this war has very slowly declined. Even today, it has not fully disappeared.

1.
Which of the following best summarizes this passage?

Families were greatly affected by the Civil War. In some cases, brother fought against brother. The war caused much grief and bitterness that still exists to this day.
Many historians have debated the cause of the Civil War over the years. Some insist that only slavery caused the war. Others argue there were other issues involved.
The Civil War divided the entire United States and put brother against brother. The only result was grief and bitterness. Even today, that has not fully disappeared.
The Civil War divided our country. Slavery has always been cited as a root cause of the war. Other divisive issues between the North and the South contributed, too.