1) your answer would be B) these island were easier to across than the mainland. because it you look at the hint it says that the provided many points of entry.
2) your answer would be A) and D) because they had items that Americans needed and they did not want Spain to expand ti power anymore because they had attacked England.
3) your answer would be C) the suffered a decrease in their population because they were treat unfairly and were not immune to the diseases that the Spanish had brought over when they came.