sentences:  Motorcycles have regularly appeared in lesbian fiction, and the term is sometimes used derogatorily against any woman rider who isn't with a man.According to Harley-Davidson historians, female riders did everything men did from long distance riding to enjoying lazy Sunday afternoon rides with friends.As the US entered World War II in 1941, women were provided opportunities to volunteer for their country and almost 250,000 women served in the armed forces, mostly in the Women's Army Corps (WAC), two-thirds of whom were single and under the age of twenty-five.