Xavier, who has a negative explanatory style, is most likely to get depressed after failing a math test if he believes that he failed because

a. he is not good at math and never will be.

b. his teacher made it impossible to learn the material.

c. he was sick on the day he took the test.

d. his parents have been putting too much pressure on him and he panicked on the test.

e. the testing room was very hot and stuffy.

How did trade contribute to the spread of the plague in the 1300s? trading vessels from the americas brought the plague to london, where it spread across europe. trading caravans from mongolia brought the plague to rome, where it spread across europe. trading caravans from russia brought the plague to barcelona, where it spread across europe. trading vessels from china brought the plague to sicily, where it spread across europe.