What was the main effect of the grandfather clauses and literacy tests put in place in the south at the end of the 19th century? a. african american voters were disenfranchised.
b. the republican party maintained its dominance.
c. emancipated slaves were forced to work on plantations.
d. poor people were excluded from the political system

The answer is A - African Americans were disenfranchised

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.

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