How did railroads affect the lives of many young people?

 Railroads affect the lives of many young people by changing their standard of lifestyle. Explanation: The rail roads is a very major mode of transport which helps an area to develop in the ways that it increases the exchange of goods and services from one place to another therefore increasing the trade of that area

Explanation:

because the vietnam war was fought in an especially brutal and untraditional way

c, because the american revolution was from 1765 to 1783.