The correct answer is D) The 1893 Columbian Exposition was very popular.
The statement that best represents the main idea of this source is "The 1893 Columbian Exposition was very popular."
This is the correct answer because the excerpt tries to convey the idea that despite the United States was a young nation with a population of just 65 million people, the 1893 Columbian Exposition attracted 27 million people from all over the world, a fact that made the exhibition to be a very popular one.
This meant that although a young nation, the United States generated great expectations in different parts of the world to know its culture, customs, political and economic advances, and social organization.
The answer is ethnocentrism.
Answer:
Edward A. Carter Jr. was a career non-commissioned officer for the United States Army and one of the few African American recipients of the Medal of Honor during World War II.
Brought more jobs and less unemployment, reformers trying to get laws passed, organizing in labor unions that demand higher pay, shorter hours and safer working conditions. Men got the right to vote.