Operation Barbarossa was the Nazi German military invasion of the "USSR", since this was the famous surprise attack by Germany that broke the Nazi-Soviet Pact in World War II.
The Democratic-Republican Party was an American political party formed by « Thomas Jefferson » and « James Madison » around 1792 to oppose the centralizing policies of the new Federalist Party run by « Alexander Hamilton », who was secretary of the treasury and chief architect of George Washington's administration.
1) B
2) B
Would be what I'll pick.
A flute is a woodwind instrument, and it is not made out of wood.