The transcontinental railroad was a key role in the industrial revolution because it was the only way for supplies to get from one part of the country to the other. The train was also the fastest mode of transportation at the time so it was also important for travel. I hope this helped.
Unusual and terrifying themes.
Theodore Roosevelt
William Howard Taft
and Woodrow Wilson
Hope this helps. :)
1) The law of self interest - when people work for themselves and their own good
2) The law of competition - people make better products because of competition
3) The law of supply and demand - enough goods would be produced or supplied at the lowest price to meet the demand in a market
One bieng the reconstruction (where they rebuilt the south) another would be the transition from slave labor to modern industeial things like the textile and some had to change thier whole lifestyle based on wht happened