Answer:
B. more people are involved in the political process
Explanation:
the most important effect of the amendments that have been added to the Constitution since the Civil War has been that
A. more people are eligible to become citizens
B. more people are involved in the political process
C. more people immigrate to the United States each year
D. more people are eligible to run for president
Before the Civil War, black men were not allowed to vote. In 1870, the 15th amendment was ratified to deter states from denying men the their constitutional right to vote their colour , status and race notwithstanding
So C .more people are involved in the political process, since voting is also a political process.
