Bill O’Reilly asked tonight: What is the difference between ISIS, al Qaeda, the Taliban and the Nazis?

“The honest answer is there is no difference,” he said, explaining that they all are of the mentality that murdering people for no reason is acceptable.

O’Reilly remarked that the United States was not proactive in destroying the Nazis or Japan’s militaristic government, and close to 1 million people were killed as a result.

“That’s what we’re facing again with the jihad,” O’Reilly warned, adding that jihadists will massacre millions of Americans if they can.

“The Factor” host called on President Barack Obama to convene a worldwide conference, where nations should be asked if they will militarily cooperate. Then, those nations should launch military operations.

“The goal should be to wipe the jihadists off the face of the earth wherever they may be,” O’Reilly said.

O’Reilly said that the world looked away from the Nazis, which allowed the Holocaust to take place.

“Believe me, that’s brewing once again,” he cautioned.

Watch the Talking Points Memo and hear Sen. John McCain (R-Ariz.) react above.