2. Explaining How was water transportation improved in the 1800s?

Invention of steamboat by Robert Fulton. Steamboats made fast upstream travel possible. They carried goods and passengers cheaply and quickly along inland waterways. By 1860, about 3,000 steamboats traveled the country's major rivers and canals and Great Lakes. This encouraged the growth of cities such as Cincinnati, Buffalo

Explanation:

it's not the readmission

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.