Consider the question. Is the following statement true?
"The Great Lakes were created by engineers in the 1800's to provide irrigation to midwest farmers."
 If the answer is 'no'; explain the reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The Great Lakes began to form naturally at the end of the Last Glacial Period.