In 1917, Daniels traveled to Washington, D.C. to protest at the White House gates, she was imprisoned. She returned in 1918 to protest at the Capitol and again in 1919 to protest at the White House, and was again jailed. When President Wilson returned from the Paris Peace Conference in 1919, Daniels traveled to Boston to meet the S.S George Washington and protests against the president. She was, again, jailed.