Compare and Contrast of the 18th and 19th Century in America

Thesis: The 18th and 19th century were drastically contrasting eras of social and political evolvement but comparable in the successive mentality of economic expansion.
New advantages in natural resources in the United States brought striking transitions in the economic stance of the nation and developed into distinct eras. The coal era of the 18th century was marked by the usage of coal as a main source of energy, heat, and transportation. The 19th century brought the advantages of oil in transportation and heating and its integral fuse into daily life as well, but also new cultural aspects. The 18th and 19th century were drastically contrasting eras of social and political evolvement but comparable in the successive mentality of economic expansion.
…