What impact did the railroads have on the cities across the us at the turn of the twentieth century?

Answer

It increased the wealth of all Americans and enabled them to travel more. It decreased the safety of Americans who moved to settle the plains. It shortened travel time between the East and West for all Americans.By the 1890s, the United States was becoming an urban nation, and railroads supplied cities and towns with food, fuel, building materials, and access to markets. The simple presence of railroads could bring a city economic prosperity.

they thoght they were going to nuke each other

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.