Answer:
In 1913, Taft signed both the 16th Amendment and the 17th Amendment to the United States Constitution.
Explanation:
https://ballotpedia.org/William_Howard_Taft#:~:text=In%201913%2C%20Taft%20signed%20both,to%20the%20United%20States%20Constitution.
I hope this will help you. ^^