Lincoln also needed the support of the four slave states that had not left the Union: Delaware,Kentucky,Maryland and Missouri.

VOA: special.2009.10.08

The North and the South had roughly, as the Northern and Southern states, the Free states and Slave states, had roughly the same geographic size.

北方和南方大致上,北方和南方的各州有,自由州和蓄奴州的区别,但其地理大小总体上相同

耶鲁公开课 - 美国内战与重建课程节选

By 1860 there were approximately 4,000,000 slaves in the United States, the second largest slave society slave population--in the world.

截至1860年,美国大约有,四百万的奴隶,也因此使之成为了,世界历史上的第二大奴隶社会

耶鲁公开课 - 美国内战与重建课程节选

There also was the danger that fighting would cause slave states still in the Union to secede and join the southern Confederacy.

VOA: special.2009.08.06

In the past,he noted, the national government had tried to divide free states from slave states by a line across a map.

VOA: special.2009.04.23

Fremont could not expect to win any votes in the slave states of the South.

VOA: special.2009.05.07

It passed in the Senate only because two men from slave states voted for it.

VOA: special.2009.03.05

They said the policy would cause the slave states of the Union to secede.

VOA: special.2009.10.08

The committee had six members from slave states and six from free states.

VOA: special.2009.04.02

No more slave states. No more slave territory.

VOA: special.2009.03.12

For years,rich slave owners had talked of taking the southern states out of the Union to save their way of life.

VOA: special.2009.07.02

They wanted new states to be free from slavery, so they would not have to compete with slave labor.

VOA: special.2009.04.30

He also proposed that Congress declare that it had no power to interfere with the slave trade between states.

VOA: special.2009.03.19

They accused him of trying to create a slave rebellion in states he could not occupy with troops.

VOA: special.2009.10.08

Finally,he asked the United States Supreme Court to decide if he was a slave or a free man.

VOA: special.2009.05.14

He sent Northern forces to battle the slave-holding Southern states to keep them from leaving the Union.

VOA: special.2009.02.06

Lincoln then defended his statement that the United States could not continue half slave and half free.

VOA: special.2009.06.11

He said the North must recognize the rights of southerners, especially the right to take slave property into territories of the United States.

VOA: special.2009.03.26

This,he said,would lead to war between the slave-holding and free states.

VOA: special.2009.03.19

He was born a slave in the southern United States.

VOA: special.2009.02.21