The German government issued The Sussex Pledge that basically told the U.S. that they were going to change their policies on navel war.
There were 3 main classes.
The patrician which were the upper class consisting of weathly landowners, leading citizens, government officials, and very prosperous business owners.
Next were the plebians. They were ordinary citizens, some of which were successful entrepreneurs while others were small business owners.
And lastly were the slaves. They had no rights at all, they couldn't own land or businesses
Missouri entered the union as a slave state
Massachusetts had a chunk taken off and created a free state of Maine
After 1820 no territory north of the 30'36 line could have slaves