Because they could be turned into slave states, giving more power to the slaveowners in the south. Also, expansion policy and the dram of Manifest Destiny played a part in desiring that land.
Finally, and most controversially, a Fugitive Slave<span> Law</span>was<span> passed, requiring northerners to return runaway</span>slaves<span> to their owners under penalty of law. The</span>Compromise of 1850<span> overturned the Missouri</span>Compromise<span> and left the overall issue of </span>slavery unsettled<span>.</span>
They caused inflation to rise.
(Just had this question on my test and noticed nobody answered. Sorry it was late)
The cause of the French revolution is Frances sent agravted by French invovment in the American revolution led Louis xvi to implement new taxes to reduce privileges. the deregulation of the gain market advocated by liberal economist's resulted to an increase in bread prices in periods of time the good society which would lead to a masses resolt.
