Answer:
To know who supported this amendment, lets look deeper into what is the 19th amendment.
The 19th amendment showed and explained that anyone, female or male, any gender has the right to vote in the U.S.
Who supported this amendment??
Women suffarge groups fought to have the right to vote. Elizabeth Cady Stanton, Lucretia Mott, and Susan B. Anthony, led to fight with the women suffarge groups. These groups supported this amendment.