Cracking down on dissent during world war i was part of what larger governmental goal in the united states?

Cracking down on dissent during World War I was part of the larger governmental goal in the United States of promoting war production domestically, since the US needed to supply a great number of weapons to Europe, as well as troops. 

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.