Answer: The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
The establishment of electric utilities led to widespread use of electricity in the United States.
<u>Explanation:</u>
Electricity was not used only to power homes but also factories and industries. This eventually enabled factories and industries to make use of large and sophisticated machines that could help in increasing the efficiency and productivity of the factories.
This enhanced the industrial revolution which was already taking place in the United States.With electricity, workdays and work time increased which led to increased production and thereby led to the boost in the economy of the United States.
Most white southern were small farmers.
The right term that is used usually to describe a region just beyond or at the edge of a settled area is a <u>Frontier</u>, because in that context, a frontier is a place or imaginary line that limits a region, territory, location, city or a country extension, and where sometimes the frontiers are located further or at the border of a settled area.