What was Susan B. Anthony a "pioneer crusader” for?

Explanation:

Susan B. Anthony was a pioneer crusader for women's suffrage in the United States. She was president (1892–1900) of the National Woman Suffrage Association. Her work helped pave the way for the Nineteenth Amendment (1920) to the Constitution, giving women the right to vote.

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

it increase by 12% a year from 1812-1820