Indeed, peace has been elusive for the United States for almost all of its history, he said. That’s ironic, Carter suggested, given how central the concept of peace is to Christianity.

“We’re supposed to be a ‘Christian’ nation are we not? But we are known throughout the world as the most warlike country on Earth. And I would say almost all the wars in which we’ve been involved, have been unnecessary,” he said.

Source: At Sunday School, Jimmy Carter Extends Praise To Trump For Restraint On Iran : NPR