It increased federal intervention in the affairs of the independent states
He was the first European to discover America, or at least what Europe knew of. Before he discovered it Europe had no knowledge of it existing.America was discovered before by Vikings, by Leif Ericson, but their settlement didn't last that long. Columbus was the first to go to America and maintain contact with the continent and colonize it,having big impact in history. That's why it is better to say - to avoid discussions - that he re-discovered itw
One technology was agricultural in the fertile Nile Valley of flooding then planting and harvesting the fields in a cyclical manner though some of the flooding may have been natural. Also, the Egyptians invented paper or papyrus which gave them a medium for writing and recording data. Also, they used the wheel and the lever and the ramp. Of course the wheel was very important for their transportation ie with chariots for example. The ramps were used for building such as the pyramids.
"A. The author wrote in Italian and presented very realistic characters" would be the best option from the list. The author, Dante, wanted to make it as relatable to his audience as possible.
Because you learn stuff so ur not dumb (;