How Debate/Diplomacy fits in with Cesar Chavez

Debate: a discussion, as of a public question in an assembly, involving opposing viewpoints
Diplomacy: the conduct by government officials of negotiations and other relations between nations
Cesar Chavez often Debated his point of view. He argued that it wasn't right to treat farm workers the way they were treated. He would often argue his side. There were other country's involed because he would go back to Mexico and help them.