These are multiple choice! YAY!

No searching for the answer!
1) Which foodstuff did the Spanish keep secret from other Europeans for more than half a century before allowing it to be traded?
A. Sugar
B. Potato
C.Tomato
D. Chocolate
2) What was the name of the U.S. Air Force's longest-running official inquiry into unidentified flying objects (UFOs)?
A.Project blue blook
B.Code blue
C.Manhattan project
D.Project ET
3) How many prisoners successfully escaped from Alcatraz to the mainland?
A. 5
B. 0
C.100
D. 10
4) For which skill was Annie Oakley best known?
A.Ballet
B.Chess
C.Markmanship
D.Diving
5) Who were the Doughboys?
A. Pillsbury doll
B. WWI soldiers
C. WWII soldiers
D. Army bakers
6) During the U.S. Civil War, General William T. Sherman's "March to the Sea" ended in which city?
A.Charleston, South Carolina
B.Atlanta, Georgia
C.Beaufort, North Carolina
D.Savannah, Georgia
7) Who conquered the Inca Empire?
A. Sir Francis Drake
B. HernandoCortez
C. Francisco Pizzaro
D. Christopher Columbus
8) About how many American soldiers died in the Vietnam War?
A. 508,000
B. 1.8 million
C. 108,000
D. 58,000
9) Who succeeded President Abraham Lincoln after his assassination?
A. Willard Fillmore
B. Andrew Johnson
C. JamesBuchannan
D. Franklin Pierce
10) What was the name of the African-American sailor killed in the Boston Massacre?
A. Cassius Clay
B. Cyrus Mccormick
C. Crispus Attucks
D. James Martin