It shows that the war resulted in a new illusion of omnipotence."In April 1917 the illusion of isolation was destroyed, America came to the end of innocence, and of the exuberant freedom of bachelor independence. That the responsibilities of world power have not made us happier is no surprise. To help ourselves manage them, we have replaced the illusion of isolation with a new illusion of omnipotence" Barbara Tuchman
The ones that are incorrect are B (Magellan was killed when he tried to convert one of the specific tribes of the Spice Islands) and D (Magellan did trade).
The other two are correct and apply.
The correct answer is D) generally harsh and abusive to workers
