Which constitutional amendment set up the current system where u. s. senators are elected by popular vote? sixteenth seventeenth eighteenth nineteenth

Seventeenth Constitutional Amendment set up the current system where U. S. senators are elected by popular vote. The correct option among all the options given in the question is the second option. This Amendment was ratified on 8th of April in the year 1913. This amendment was proposed by the sixty second Congress in the year 1912. It finally became a law in the year 1913. This is the amendment that changed the procedure for electing senators that was prevalent before the implementation of this amendment.