Answer :
The reason why a lot of American are more affluent are due to:
- open technological advances.
- globalization of the labor force.
How technology and Globalization has benefitted Americans?
The reason why the Americans have become more affluent is due to the fact that they now have more opportunities based on available technology unlike the past.
Work is now done faster and more efficiently. Also they are able to expand to various other countries in the world and establish there.
Read more on technological advances here: https://brainly.com/question/2166344