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The most likely reason is that they found everything there was to find. This kind of exploration was a speculative search for new places to live, and as the ret
by azernik 6y ago
The most likely reason is that they found everything there was to find. This kind of exploration was a speculative search for new places to live, and as the returns diminished there would have been less and less motivation to head into the unknown.
- irrational 6y agoAnd, presumably, once they hit the American continents and realized they were not uninhabited islands, they would have had no need to continue exploring to the east.