Which of the following events led to the start of the civil war? check all of the boxes that apply. a. lincoln was elected president. b. northern states seceded from the union. c. southern states seceded from the union. d. northern states wanted incoming states to be admitted as slave states.

a. Lincoln was elected president

Explanation:

The American Civil War or Secession War (separation) took place from 1861 to 1865. The reasons for this conflict lie in the discord between the northern industrial bourgeoisie, which did not accept the extension of slavery to the new lands of the American West, and the aristocracy. that wanted this extension and in customs tariffs.

The immediate cause of the war was the victory of the Republican Party candidate and Northern interests representative, Abraham Lincoln, in 1860. The northern victory occurred in 1865, leaving an estimated 600,000 dead, the devastated South and the consolidation of political interests. and economic in the northern region.

the answer is mass marketing.

it would be a. that is the only one i could think of