Americans could use this item because if they like diving or swimming they could use this to help them swim faster. This could also be for body boarding because it helps you move faster in the wave. This invention will have a impact on Americans because they will be able to swim faster in the water than usual. The swimming fins make you have a stronger kick when you swim. Also professional body boarders and wave photographers use swimming fins so they do not get sucked into the current of the wave. Swimming fins are really good for diving because the power that the fins give you will let you get to the bottom of the ocean and get you to your fish faster. You should buy this invention because this product can be used for body boarding, diving, swimming, and just to have fun with it. Also a lot of job that has to do with being underwater use swim fins, like the people who feed animals in the aquarium.