This explorer led a spanish expedition that became the first to successfully sail around the world in the early 1500s.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.

answer; they burn down the bushes and trees;