Why were American leaders so much concerned about sedition and dissent during World War I than they were during the Civil War or World War II?

The years surrounding America's involvement in World War I were a ... They denounced the Sedition Act in particular as “unconstitutional,” as a ... The federal government also intruded upon civil liberties, especially the right to dissent. ... issued no fewer than five papers out of Chicago alone, three of which were in German.

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

b is the answer i am assuming