What steps did the u. s government take to control the economy and public opinion during world war 1

In the United States during the First World War, the government took some pretty severe measures to control the domestic scene. First, they took proactive action to shape opinion. They formed the CPI to put out propaganda that would be helpful to the war effort.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.