Answer:
B. Scientific Method.
Explanation:
The scientific method is a way of answering questions, or rather experimenting to build a hypothesis. It had the following steps, observation, forming a question, then hypothesis, a prediction based on the hypothesis, testing the prediction, and using the results of the test to adjust the hypothesis if needed, or to make a new one with new predictions.
Yes, that's in fact true.
1. I would say Beneficial because when he discovered the "west Indies" he brought back much treasures and gained spain lots of territory.
2. It would have been different because he could've just asked another country or he could have gave up and someone else might have found the new world.
3. This question is up to you...