Answer:
Catt's "Winning Plan", suffrage in some Eastern States, the Nineteenth Amendment
Step-by-step explanation:
Catt's winning plan happened in 1916.
On July 2, 1919 Iowa became the tenth State to ratify the federal amendment.
The nineteenth amendment of the United States Constitution prohibits states and the federal government from denying the right to vote to US citizens on the basis of sex. It happened in 1920.