It affected them immeasurably because it enabled them to trade this surplus of food for things that they might need from other countries and thus get other pieces of technology or knowledge or anything similar. They could improve their state that way and that's how development of civilizations began.
Answer:
Johann Gutenberg was a German (1400 – 1468) who invented the printing press substituting the hand written press by printing technology of the time. Gutenberg started the printing revolution and is recalled as the milestone of the modern history period laying the basis for modern knowledge for the era of mass communication.
The Federal Government's first entry into transportation was National Road (b). The Federal Government was concerned with the speed at which goods were transported from their source to their destination. Goods were primarily transported overland by horse and rider. They were transported along the waterways by ships and sail boats. The first road that the government funded was the Boston Post Road. It was built to increase the speed of the delivery of mail. The Boston Post Road was constructed between New York City and Boston.
During WWll, with white men fighting overseas, African Americans were able to get better job opportunities, and a new law passed saying that blacks and whites had to be in integrated units in the army. But, when the war ended and black soldiers returned to America they weren't greeted with a hero's welcome and instead were treated like all other blacks- they were forced to be segregated. This change from almost equality to none at all really fired up the Civil Rights Movement in the 1950's and 1960's.