Democratic<span>and </span>communist<span> political systems are based on </span>different<span> ideological principles. Although superficially they seem to share the "power to the people" philosophy, in practice the two systems of government structure the economic and political fabric of society in markedly </span>different<span> ways.</span>
The United States was willing to pay more per mile for the Gadsden Purchase than for the Mexican Cession because the Gadsden Purchase gave money to the United States to build a railroad.