What started the civil war in 1861?

the southern states wanted to leave the union because they don't like president lincoln and don't want to follow the union's way.
is it similar to today where donald trump became president and california want's to leave the union because they hate trump. is it similar to the civil war in 1861 and today.

Aprimary source can be a picture of you that someone else took? true or false

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.

Plz which of the following provisions of the compromise of 1850 was designed to appeal to slave states? a. congress passed a strict fugitive slave law. b. the slave trade was banned in washington dc. c. texas agreed to give away some of its land so that the territory would be available for future states. d. california was admitted to the union as a free state.