Answer: either compromise of 1850 or Missouri compromise
Explanation: I am honestly not sure but my best guess would be the compromise of 1850, but again, I'm not sure
Due to an increased population size, public health and housing became a big problem, underpaid jobs were common and they were mostly dangerous and surprisingly, it was hard to find jobs of any kind
The accomplishment that is not mentioned on Jefferson's tombstone is that he was the third president of the United States of America.