The United States Constitution, also known as The supreme Law of the Land, states how does the federal government works and its limitations. While State constitutions focus on municipal services, unlike the U.S. Constitution, option b, and State constitutions are longer and more detailed. Also, the United States constitution hasn't had as many changes as the States ones. For example, since the creation of the U.S. constitutions it has only had 7 amendments, while the Texas constitution has had 673 amendments.