Which of the below answers explains how the process to enfranchise more people evolved throughout U.S. history? Please choose the best answers.
A: The addition of new amendments to the Constitution has taken place only in the 1900s
B: The addition of new amendments to the Constitution has take place primarily in the past 50 years
C: The addition of new amendments to the Constitution has taken place slowly over many decades
D: The addition of new amendments to the constitution has taken place rapidly with the additions of new amendments