Between 1854 and 1861, the area of territory open to slavery expanded significantly due to the Kansas-Nebraska Act of 1854, which allowed new territories to decide on the legality of slavery through popular sovereignty. This led to violent conflicts known as "Bleeding Kansas" as pro-slavery and anti-slavery settlers rushed into the territories. Additionally, the Dred Scott decision in 1857 further entrenched the status of slavery, declaring that Congress had no power to regulate slavery in the territories. By 1861, the political landscape was increasingly polarized, with more territories and states aligning with the institution of slavery.
The British officially ended slavery in 1833 when the Slavery Abolition Act took effect.
1800's
haita
Lewis and Clark changed America because their expedition for a new water route opened up new territory. The expedition was between 1804 and 1806.
The underground railroad was the first step in ending slavery. This was a major change in the history of the United States.
What kind of territories to create in the new lands. Should the status be created by Congress or should Popular Soverignty be permitted. How many states should be created and how to draw their borders.
It prohibited slavery North of a certain parallel, but only in the territories brought in under the Louisiana Purchase. When the new Mexican territories came in, they needed a new compromise. That one did not hold.
Deal with slavery. They could not agree on how to change or end it, so they did nothing.
It made it much more difficult to create new slave-states.
It changed it by Making the Spain territory decrease.
How did William Henry Harrison's opinion of slavery change
As soon as Mexico became independent from Spain in 1821, it abolished slavery in most of its territories; however it wasn't explicitly stated in its constitution until 1833. This change in the constitution was one of the causes the Texian settlers started to conspire for the Texas independence -- most Texians were slave owners.
The British expanded there land after the war that took set between French and Indians.
Slavery - not much. Equal rights - a lot.
slavery
No slavery.
yes