The author included the image of Sir Walter galleon to assert that the most important factor in sea travel was an appropriate and reliable ship.
The galleon means the multi-decked sailing ships that was used by Sir Walter Raleigh's for a mission for Queen Elizabeth to seek a new worlds for gold, for praise, for glory etc
Hence, the author used the image of Sir Walter galleon because of the ship prowess during the expedition of Sir Walter Raleigh's.
Therefore, the Option E is correct.
Read more about Walter Raleigh
brainly.com/question/27115205