He supported military intervention in Yugoslavia. He voted yes to bomb Kosovo (one of his staff members resigned over it).
He voted to fund the Iraq War multiple times.
He supports the war in Afghanistan and voted for it.
Supported the coup in Ukraine and voted to give $1 billion towards it.
Supports aiding Al Qaeda in Syria and calls them "moderate rebels."
Voted to invade Libya. Bernie was a co-sponsor of the war resolution.
Voted for sanctions on Iran and Libya.
Pro drone strikes.
He’s an imperialist.
He supported US interventions in Somalia, Haiti, Bosnia, Liberia, Zaire (Congo), Albania, Sudan, Afghanistan and Yugoslavia.
He supports Saudi Arabia bombing Yemen and denies that Saudi Arabia is backing ISIS.
His only vote against a war was Iraq, however many Democrats did that simply as a symbolic vote against Bush. Bernie voted to fund the war and had no problem with it after Obama was in charge. He also supported the sanctions that killed hundreds of thousands of children.
He was against impeaching George Bush and called it impractical.
He gutted the Audit the Fed bill (the night before it was voted on).
He voted for several NDAAs.
Calls Assad a dictator.
Total and complete support for Israel. He told people in a town hall meeting to shut up about it.
He complains about corporate welfare, but supports the largest corporate welfare of all: military interventions. He supported the F35 program which was jointly built with the Israelis and cost $1.5 trillion (so far) to build an aircraft that doesn't even work.