Answer:
i don't understand your question all so if your late start earlier!
Explanation:
Germany is one if you consider the split of west and east germany
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
The quote is little undescriptive but i would say try C
