A political science professor is researching the effects that the Fifteenth and Twenty-Sixth Amendments have had on the American political system. Which of the following is the most likely reason the professor is researching these amendments?a. To study the expansion of the right to equal protection under the law
b. To study the expansion of voting rights
c. To study the expansion of due process rights
d. To study the expansion of federal authority over states

A political science professor is researching the effects that the Fifteenth and Twenty-Sixth Amendments have had on the American political system. Which of the following is the most likely reason the professor is researching these amendments? b. To study the expansion of voting rights

Explanation:

To understand why he is studying these amendments we have to analyze the content of them to know with certainty his reasons. So in the first place, the fifteenth amendment talks about rights to vote and how the government can't deny that right to any citizen by race, color, or previous condition of servitude. Then the Twenty-sixth amendment talks about why the government prohibits the right to vote to all United States citizens younger than 18 years old.