One of the presidents wife's name is:
Michelle Obama. The wife of Barak Obama.
Also there is:
Marry Todd Lincoln. Abraham Lincolns wife.
I also included a picture of the two wife's of the presidents.
I am Glad to help.
The middle name of former, deceased president of the United States J.F.K, is Fitzgerald. His full name was John Fitzgerald Kennedy. John Fitzgerald Kennedy, or more commonly referred to by his initials J.F.K, was an American politician who had proudly served as the 35th President of the United States of America on January of 1961 until his unjust assassination on November of 1963.
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-Pepetreefrogthe2nd
Answer/Explanation:
An irrigation system represents a stable food supply because it is how they controlled water to be able to plant crops. A second most important artifact that is in the category of stable food supply is the plow. Agriculture produced enough food that people became free to pursue interests other than worrying about what they were going to eat that day.
Because it is natural process