1-Mexican American War
It was considered westward expansion because it gave the US Texas and Arizona.
2-Afghanistan and Iraq
These show American imperialism because the US didn’t agree with the factions running the country and wanted a democracy in place. They are not examples because it doesn’t show the direct facts and cause of American influence
Technology advanced the economy and helped to create a new market
A Mixed Economy: The Role of the Market. The United States is said to have a mixed economy because privately owned businesses and government both play important roles. ... When economic forces are unfettered, Americans believe, supply and demand determine the prices of goods and services.
HOPE THIS HELPED!!!! XD
Railroads played an absolutely crucial role in the Industrial Revolution, since they made for the incredibly fast transfer of goods such as iron and steel that were used to build things--not to mention the transport of the workers themselves.
Answer
brought hardship, homelessness, and hunger to millions
rise of crime rate