Read the following statements about important waterways carefully and identify the correct statements.
A. Panama Canal was constructed by Mexican government.
B. Suez Canal has a six-lock system and ships cross the different levels through these locks.
C. Mississippi-Ohio waterway connects the interior part of USA with the Gulf of Mexico.
D. Soo Canal and Welland Canal are part of the Great Lakes-St. Lawrence seaway.
Choose the correct answer from the options given below: