By the end of the reconstruction era, most african-americans in the united

D)found themselves increasingly left out of the political process because of poll taxes and literacy tests.

Explanation:

While the 13th, 14th, and 15th Amendments were intended to ensure African-Americans equal rights, such was not the case. Many states in the south found way around these Constitutional provisions, and many African Americans found themselves increasingly left out of the political process because of poll taxes and literacy tests.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

a stronger central government  

its what they are