The increasingly poor treatment of the Indians and the uncertainty of what was going to happen
The correct answer is comparison. This kind of memory strategy is where an individual likely to focus on having to base a particular information to previously known information, thought, or idea that an individual already knows of in order to have a knowledge of the particular information.
It was possible because it helped him navigate in territories that were completely unknown to him. Thanks to it, he could determine where his ship was based on the position of the sun and the time of the day and he used this to navigate all the way to India.
