The map below shows the division between free states and territories and slave states and territories in 1850

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

it granted civil rights to african americans.