After Wilson is re-elected and still refuses to support the Susan B. Anthony Amendment, Alice Paul and the suffragists in the National Woman's Party begin picketing in front of the White House. The protests are particularly controversial because they continue even after the US enters World War I in April 1917. The women protestors, known as the “silent sentinels”, demonstrate peacefully, unlike their radical British counterparts. Nonetheless, the women of the National Woman's Party are arrested numerous times beginning in June 1917. Alice Paul, Lucy Burns and others are imprisoned at Occoquan Workhouse in Virginia. When Paul leads a hunger strike, the women are brutally force-fed. The negative press coverage about the jailing of the women puts additional pressure on President Woodrow Wilson to act. According to the book, Jailed for Freedom by Doris Stevens of the National Woman's Party, more than 500 suffragists are arrested between 1917 and 1919, and 168 women serve time in jail.