Why would the National Suffrage Association congratulate Oregon men?

The Oregon Equal Suffrage Association was for equal suffrage on the ballot, men in Oregon were able to vote .

Explanation:

The National Woman Suffrage Association and the American Woman Suffrage Association, both founded in 1869, were the main suffrage organizations in the U.S. during the 19th century. They pursued the right to vote in different ways, but by 1890 it became necessary to combine efforts to keep the cause alive.

i think it was   tsar alexander ii