Freedom of speech was restricted during World War I.

It passed the Espionage Act of 1917, which has been described as an “overt assault upon First Amendment freedoms.” Congress passed an amendment to the Espionage Act  called the Sedition Act of 1918 which further infringed on First Amendment freedom

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;