sentences:  However, for much of modern history, the use of trousers has been restricted to men.In many regions, this norm was enforced not only by social custom but also by law.There are, however, many historical cases of women wearing trousers in defiance of these norms, for a variety of reasons, including comfort, freedom of movement, fashion, disguise (notably for runaway slaves), attempts to evade the gender pay gap, and attempts to establish an empowered public identity for women.