Drag each tile to the correct box.
Put the events of the period just before the Civil War in the correct order.
The Mexican-American War ended with
the United States gaining more than
500,000 square miles of Mexican territory.
Under the Compromise of 1850, California
was admitted as a free state, and the
territories of Utah and New Mexico were
created.
The Southern states formed a confederation known as the Confederate States of America.
Under the Missouri Compromise, Missouri was admitted as a slave state and Maine was admitted as a free state.
Abraham Lincoln was elected president of the United States.