Answer:
The Gilded Age was characterized by really fast industrial and economic growth, from the 1870s to the 1900s. It was named after Mark Twain's and Charles Dudley Warner's novel <em>The Gilded Age: A Tale of Today</em>, which satirically describes a difficult period of living, covered and hidden with gold gilding.
The rapid expansion of industrialization was accompanied by a huge advance in transportation (railways), technologies and manufacturing (heavy industry, factories, coal mining), causing huge expansion of immigration from Europe to America, high real wage growth and individual wealth. During these years, the U.S. economy had the fastest rate of growth, with high GDP, capital formation, real wage, etc.
These students were determined and strong, but also had to have felt fear and apprehension as they worked to bring racial integration to Little Rock Central High School.
Following the Supreme Court decision in <em>Brown v. The Board of Education </em>(1954), schools were slow to end segregation. In the fall of 1957, nine black students enrolled at Little Rock Central High. The National Association for the Advancement of Colored People (NAACP) had been involved in choosing students who were capable of facing the pressure of the situation, and had provided them with counseling and training to get them ready for what they would face as they sought to attend the formerly all-white school. Situations did become tense, and President Eisenhower eventually sent federal troops to protect the students as they went to attend the school.
It took only 77 years. I am counting from the independence in 1776 until the Gadsden Purchase in 1853. (the last purchase was small and the continental US had almost it's present size in 1848 with Mexican Cession.
The treaty of Paris i think 1812
The answer is B major battle and outcomes