Please help asap, four history questions = 10 points?

[mate]

Which of the following is NOT true about the Grand Canal built in China?
A. It was constructed under the reign of Yang Ti of the Sui dynasty.
B. It was a 1,000-mile long waterway connecting north and south China.
C. Over 5.5 million people were forced into service to construct the canal.
D. Those who could not or refused to aid in constructing the canal were given money to help feed their families.




What happened when Muhammad died in 632?
A. There was a disagreement whether the capital should be located in Mecca or Baghdad.
B. The people agreed that Muhammad's cousin Ali should be his successor.
C. Islam was no longer practiced by the people of Arabia.
D. Muslims divided into two groups, the Sunni and Shia, due to a disagreement about who should succeed Muhammad.




During which Chinese dynasty did the Mongols rule all of China and other parts of Asia, encouraging trade with other civilizations?
A. Sui
B. Tang
C. Song
D. Yuan



Which of the following statements is NOT correct about the reign of Justinian I of the Byzantine Empire?
A. He ruled side by side with his wife Theodora.
B. He sought to restore Rome to its greatest height.
C. He made changes to the Roman law that became known as the Code of Hammurabi.
D. He ordered the construction of the Hagia Sophia.

[stanciyf]

You have the internet look it up.

[denys]

Grand Canal: C
Muhammad: A
Chinese dynasty: B
Justinian: D