I think that was all covered when I went to high school in the late 90's. I'm not sure if that was the norm everywhere in the U.S. at that time or if it was ju

I think that was all covered when I went to high school in the late 90's. I'm not sure if that was the norm everywhere in the U.S. at that time or if it was just that particular teacher thought it was important that we know about that stuff (and if so I think she was right).