And be it further enacted, That the person applying for the benefit of this act shall, upon application to the register of the land office…make a sworn statement… that he or she is the head of a family, or is twenty-one years or more of age, or shall have performed service in the army or navy of the United States… and that such application is made for his or her exclusive use and benefit, and that said entry is made for the purpose of actual settlement and cultivation… on payment of ten dollars, he or she shall thereupon be permitted to enter the quantity of land specified: 160 acres.
How did the law above impact the development of the U.S.A.?