What were the Europeans (specifically the Spanish) looking for in the New World? (make sure it is in your own words.)

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?

Hurry on the map above, arrow 1 points to a region where most people are

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?