a lot is going to change like for example From the Civil War to the end of the century lumbering and flour and grist milling were the leading industries, except that cottonseed crushing supplanted flour and grist milling in second rank, according to the census of 1900. i think this because there was a lot that off things they didn't have before that they have now.
Answer:
Nevertheless, European geographic knowledge was expanded immeasurably by Magellan's expedition. He found not only a massive ocean, hitherto unknown to Europeans, but he also discovered that the earth was much larger than previously thought
