Why did the u.s government approve legislation to control public opinion

What does the federal government do? Only the federal government can regulate interstate and foreign commerce, declare war and set taxing, spending and other national policies. These actions often start with legislation from Congress, made up of the 435-member House of Representatives and the 100-member U.S. Senate.

Explanation:

First, they took proactive action to shape opinion. They formed the CPI to put out propaganda that would be helpful to the war effort. Second, they used negative actions, laws banning various forms of speech and action that could be seen as anti-war.

The United Kingdom was the first country to create and emphasize the principles of parliament democracy.