person refused to sign the Pennsylvania constitutional conversion document because it had a provision limiting suffrage to only whites and later became a leader in the drive for equal rights for African-Americans after the Civil War.

Thaddeus Stevens

Explanation:

Thaddeus Stevens represented Pennsylvania in the US house of representatives. He was one of the members of Republican party and was against racial discrimination in elections.

In 1837, he refused to sign Pennsylvania constitutional conversion document owing to the inclusion of a voting provision that denied African - Americans voting rights. He stood by abolition of slavery and was against racial discrimination in grating American citizenship.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.