Which tactic did george creel, the head of the committee on public information, use to gain the support of us citizens for the war?

George Creel headed the Committee on Public Information during the time the U.S. joined the First World War. They used every method within their disposal to convince Americans to support the war effort.  They used printing posters, radio programs and even the movies to convince public opinion that it was necessary for America to take part in the war.

1.a)britain

2.b)spain

3.c)french

4.d)portugal

explanation: