After the death of the prophet Muhammand, Islamic Culture invaded most of the Middle East and pieces of Spain, which unified their economic culture.
Answer:
Edison's perfection of the <u>light bulb</u> helped factories turn night into day.
The earliest Chinese people did not have to worry about invasions from foreign countries because of their strong army and geography. The Chinese army present in ancient times were very strong and able to defend their lands. Chinese also build china wall in order to protect their lands from the invasion of other people. The geography of china also made difficult for the invaders to capture china.
The best answer i see is C) The natural features in an area include mountains, deserts, and oceans because these were all aspects of keeping native people from wondering to far.
