Which best explains how the fourteenth and fifteenth amendments expanded citizenship in the unoted states

The Fifteenth Amendment to the United States Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude."

The 14th amendment is a very important amendment that defines what it means to be a US citizen and protects certain rights of the people.

Hope that helps you answer the question!

by establishing the idea of equal protection under the law

Explanation:

answer; empathy;