So, the Sedition Act of 1918 was frowned upon by many Americans because it c) The act infringed upon the freedom of speech and freedom of press. Take into consideration some of these facts: It forbade the use of "disloyal, profane, scurrilous, or abusive language" about the United States government, its flag, or its armed forces or that caused others to view the American government or its institutions with contempt. Just by reading this we can be sure that c) is the correct answer.