In This Day In History video clip - May 1, 1931: Empire State Building dedicated - At the White House in Washington, D.C., President Herbert Hoover pushes a button that turns on the lights of New York City's Empire State Building, officially opening the tallest building erected to that date.
1 Sweet potatoes have a lot of nutrients, which are good for you body, such as vitamin B6, potassium, and iron which your body needs to help you grow strong.  Sweet potatoes are a good source of dietary fiber which helps to promote a healthy digestive tract.
You can find insoluble fiber in nuts, seeds, vegetables, and whole grains. Think of the woody or grassy surfaces of nuts and seeds, apple peels and the flecks of whole grain that you see in stone-ground flour. As a functional fiber, you might see it listed on food labels as cellulose.