Answer :
The Compromise of 1850 was one of the causes of the civil war because part of the Compromise of 1850, the Fugitive Slave Act required that all escaped slaves were to be captured and returned to slavery and this did not go well with the free states.
What was the  Compromise of 1850
The compromise of 1850 was one of the ways in which the united states tried to avert a possible breakup of the country. the compromise of 1850 was rightly centered on the slave trade. It admitted California as a free state, left Utah and New Mexico to decide for themselves whether to be a slave state or a free state.
It also defined a new Texas-New Mexico boundary, and made it easier for slaveowners to recover runways under the Fugitive Slave Act of 1850
The fugitive slave Act did not seat well with the free state because it was mostly championed by the slave states in the South.
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