As the civil war began, president lincoln accepted the belief that
individual states should settle the question of slavery.
it was time to end slavery throughout the united states.
the union could be preserved as a mix of free and slave states.
preserving the union was not worth the loss of life it would cause.

As the Civil War began, President Lincoln accepted the belief that it was time to end slavery throughout the United States.

While the war was being fought, its complex movements to end slavery included the Emancipation Proclamation in 1863. The president used the Union's army to protect fugitive slaves, forced the border states to ban the slave system and pushed ahead in Congress the now famous Thirteenth Amendment to the Constitution of the United States, which definitively prohibited slavery.

As the Civil War began, President Lincoln accepted the belief that it was time to end slavery throughout the United States.

While the war was being fought, its complex movements to end slavery included the Emancipation Proclamation in 1863. The president used the Union's army to protect fugitive slaves, forced the border states to ban the slave system and pushed ahead in Congress the now famous Thirteenth Amendment to the Constitution of the United States, which definitively prohibited slavery.

a. the astrolabe could determine the correct latitudinal location of the ship