Northerners and Southerners were not ready to resort to violence to abolish slavery
They didn't fail; it wasn't a problem at the time. Slavery had been such a common practice around the world for so long. Egyptians enslaved Jews centuries ago. Europeans enslaved Native Americans when they first arrived, and when Africans were enslaved in the states, even the African rulers supported this trading.
The Crittenden Compromise of 1860 aimed to prevent the impending Civil War by proposing constitutional amendments that would protect slavery in southern states and extend the Missouri Compromise line westward. It sought to appease both pro-slavery and anti-slavery factions by ensuring that slaveholding territories would be established. However, the proposal ultimately failed to gain sufficient support in Congress, reflecting the deep divisions within the nation over slavery.
In the 1860 presidential election, Stephen A. Douglas, the Democratic candidate, aimed to avoid all controversy over slavery by promoting the concept of popular sovereignty. He believed that the decision to allow slavery in new territories should be made by the settlers themselves rather than through federal intervention. This approach was intended to appeal to a wide range of voters and maintain party unity, but it ultimately failed to resolve the deep divisions over the issue of slavery.
The colonists opposed the Proclamation of 1763 because it prevented them from settling in the west when most of them already settled in the west. So this mad them mad because that had to move back in to the 13 colonies. That is why the colonists opposed the proclamation of 1763.
Political compromise over slavery in the United States was largely effective until the 1850s, culminating with events like the Compromise of 1850 and the Kansas-Nebraska Act. These agreements temporarily eased tensions between pro-slavery and anti-slavery factions, but they ultimately failed to address the underlying moral and economic divides. The rise of the abolitionist movement and increased sectionalism further strained these compromises, leading to heightened conflict. The culmination of these tensions eventually contributed to the outbreak of the Civil War in 1861.
Even by 1859, most Northerners were not Abolitionists, by any means. The Abolitionists were influential people, and their opinions were widely promoted. But they were not actually very numerous, even after 'Uncle Tom's Cabin' managed to recruit so many new members.
The Crittenden Compromise failed because it outlawed slavery in western states because Abraham Lincoln opposed the western expansion of slavery.
Abraham Lincoln did not believe that he needed to compromise with the South on the issue of expansion of slavery in the Territories. He thought that the Southern States were bluffing and would not leave the Union.
The Crittenden Compromise failed because it outlawed slavery in western states because Abraham Lincoln opposed the western expansion of slavery.
Northerners and Southerners were not ready to resort to violence to abolish slavery
Without a doubt, John Brown's attempt to begin a slave revolt in Virginia was ill conceived. He, for one reason, did not have enough men in his group to carry out any sort of military victory other then taking over the undermanned Federal Arsenal at Harper's Ferry. His force was no larger than perhaps 23 men. And, as they lacked enough weapons, raiding a Federal arsenal quickly received the attention of Federal forces. Aside from that, Brown chose a place near that arsenal that had few slaves. Even then, the few slaves there did not join his forces in a revolt.
the north want to end slavery and the south want to have slavery
All of the above.
Maryland, Delaware, Kentucky, and Missouri.
Kentucky, Missouri, Maryland, Delaware.
He owned slaves, he opposed abolition and he failed to adhere to the terms of the Treaty of Velasco.
It didn't solely - it failed through the overwhelming influx of Eurasian peoples.