What is the contribution that catholic church contributed to society during the early middle ages? . . a. preserving learning . . b. abolishing serfdom. . c. encouraging trade. . d. overseas expansion.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to