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Which of the following is most essential to making the global economy possible today?

AFactories
BFarms
CCommunication technology
DAll of the above

Verified Answer :

I quite personally think B would be essential, but on an unbias and more economically challenged note, either A and B or D.  As all of them play an important role in the economy.  Whether it is with jobs, resources, or communication.

Ccommunication technology APEX