Why the election of 1860 led to the secession of multiple southern states

The Republican Party platform promised not to interfere with slavery in the states, but opposed the further extension of slavery into the territories. ... The election of Lincoln led to the secession of several states in the South, and the Civil War soon began, with the Battle of Fort Sumter.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34