Helped transport us to different places?
Made it easier to travel and ship goods
Better transportation and everyone could easily get around. now we have cars and Semi Trucks to do all of that.
It helped people to affrod the products
Railroads help people get where they needed to be quickly. This facilitated businesses and transactions that led to growth in the US.
Some built the streets and railroads. Many joined the US Military.
The industrial revolution happened. However the US didn't start the industrial revolution, it began in Europe.
Railroads
There were five transcontinental railroads in the US in 1900.
The North had more miles of railroads tracks then the South
Railroads helped the economy because when people took the railroads to work, across to another state, or anything like that it was equivalent to carpooling.
Mathematics help us in our daily life by helping us to measure things around us or to help us to solve problems in math.
The North had more miles of railroads tracks then the South