Answer: vote
Explanation:
The author suggests that our progress in diversifying the US presidency parallels the US history of the right to vote.
The right to vote also referred to as suffrage simply means that an individual should be free to take part in a political decision and choose whoever he or she wants.
The right to vote was mentioned in the Fourteenth Amendment, and it's a constitutional right and no one should be denied. Once an individual is 18years and above, such individual can vote.
The author implies that our progress in diversifying the US presidency parallels the US history of the right to vote.
The right to vote is also called suffrage. It only means that a person should be unrestricted, or he is free to take part in the decision of politics and choose whoever he/she desires.
This right was adverted in the 14th Amendment, and it is a constitutional right and no one should be restricted, which means everybody has a right to vote as per their opinion.
The right to vote is given to a person who is major, which means above 18 years of age, a person is eligible to vote.
Therefore, in the above statement, the author said that the US presidency parallels the US history of the right to vote.
Learn more about the right to vote, refer to:
https://brainly.com/question/10904387