Events following the civil war resulted in?
a. the slowing of industrial progress.
b. the devastation of u. s. natural resources.
c. the u. s. industrial revolution.
d. second industrial revolution

Events following the Civil War resulted in: D. Second Industrial Revolution

The second industrial revolution refers to the period when rapid form if industrialization started to rapidly eliminate the needs for manual labors. After the civil wars, the slaves that used by southern states as their labors were freed and the majority of them started to replaced by machines.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

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