How did inventions like the telegraph, steamboat, and railroads affect life in early america? a) thomas edison was responsible for each of these new inventions. b) these inventions led to increased business productivity and economic growth. c) inventions like these caused slavery to spread throughout the united states. eliminate d) these inventions made it possible for new states like kansas and missouri to join the union.

These inventions revolutionized transportation and communications in the United States in the years before the Civil War and made it much easier for Americans to conduct business. Therefore, the best description of the effect that the telegraph, steamboat, and railroads had on early America is that these inventions led to increased business productivity and economic growth.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.