The industrial revolution and the progressive Era. Also, the Spanish American war. <span />
To mobilize voters
To announce campaigns
To discuss issues and events
Marting Luther King DID NOT help the protestants and catholics split, the person you are thinking about it Martin Luther, he wrote the 95 Theses explaining what he disliked about the catholic church, which caused others to question some parts of the church and eventually establish the protestant churches.
Pearl Harbor was attacked by Japan on December 7, 1941. <span />