Which of the following marked the achievement of a long-held suffragist goal in the early 1900s?

the Declaration of Sentiments

the Fifteenth Amendment to the Constitution

O Catt's "Winning Plan"

the Nineteenth Amendment to the Constitution

The achievement of suffragist goal in early 1900's related to the 19th Amendment that was done.

Explanation:

The suffragist goal in the early 1900's was the motto of giving women equal opportunities to vote or women's suffrage. The 19th amendment That was done in 1920 gave the right to vote to women.

While some states adopted this they were challenging the courts which followed male only vote policy in the decision making.

D) The Nineteenth Amendment to the Constitution