How did the U. S civil war begin

Racism

Actual

At 4:30 a.m. on April 12, 1861, Confederate troops fired on Fort Sumter in South Carolina's Charleston Harbor. Less than 34 hours later, Union forces surrendered. Traditionally, this event has been used to mark the beginning of the Civil War.

the answer is a) the proclamation of 1763.

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.