Why have potatoes become such an important part of the american diet?

Potatoes has become an important part of the American diet since its re-introduction to North America 400 years ago. Potatoes are highly nutritious and healthy, as it is an important source of nutrients such as vitamin C, thiamin, calcium, riboflavin and niacin. Also it provides additional protein and iron when combined with other foods such as milk and cheese.

The answer is c because the law is facts