Legislation Against Dissent in WWI

During World War I, the United States underwent significant changes both domestically and in its role on the global stage. One critical element was the interplay between military engagement and the broader societal impacts, which shaped American identity and policy. One of the primary acts of U.S. Congress that reflected a shift in the government's approach to potential dissent was enacted in 1917. This law aimed to suppress dissent against the war effort and ensured loyalty to the United States during a time of heightened nationalistic sentiment. Which of the following pieces of legislation is attributed to this crackdown on anti-war sentiment and civil liberties during World War I?