Question 1 of 10 How did Frederick Douglass change his country's government? A. He organized protests in Washington . D.C., that ended Jim Crow laws in the United States. B. He worked with Abraham Lincoln on the issue of freeing slaves during the Civil War. C. He authored the Slave Trade Abolition Act, which outlawed the buying and selling of new slaves. D. He led a rebellion that freed all the,Alaves from Thomas Jefferson's Virginia plantation.