The most important effect of the amendments that have been added to the Constitution since the Civil War has been that

more people are eligible to become citizens

more people are involved in the political process ***

more people immigrate to the United States each year

more people are eligible to run for president

You are right. The 13th, 14th and 19th did just that.

thanks

More people immigrate to the United States each year.

The most important effect of the amendments that have been added to the Constitution since the Civil War has been that more people are involved in the political process. Now, let's explore how you can arrive at this answer.

To determine the most important effect of the amendments added to the Constitution since the Civil War, we need to consider the purpose and impact of these amendments. Firstly, after the Civil War, three of the most significant amendments were added to the Constitution: the 13th Amendment abolished slavery, the 14th Amendment granted equal protection under the law to all citizens, and the 15th Amendment granted voting rights to African American men.

Considering the options provided, "more people are involved in the political process" aligns most closely with the impact of these amendments. Let’s examine the reasoning behind this answer:

1. The 13th Amendment abolished slavery, which meant that African Americans were no longer considered property. As a result, they gained the right to participate in civic life and engage with the political process.

2. The 14th Amendment granted equal protection under the law to all citizens, regardless of race or ethnicity. This amendment ensured that previously marginalized groups had the same legal rights as others, allowing them to actively participate in the political system.

3. The 15th Amendment extended voting rights to African American men, eradicating racial barriers that had previously restricted their political involvement.

Together, these amendments expanded the political rights and opportunities for marginalized groups, particularly African Americans. As a consequence, more people became involved in the political process, contributing to a more inclusive democracy.

Hence, the most important effect of the amendments added to the Constitution since the Civil War has been that more people are involved in the political process.