But she does not want to accept this. She saying that this is America and she want to finishing in school and dating and make husband when she is 19. What is law for getting papers in US to have her wife?
Welcome to America, we dont force people to marry against there will. And no, you cant just fill out a slip and have her committed to you for life. If she does not want to marry you, then she wont and there is nothing you can do about it.