Answered

Which of the following products has rapidly advanced due to the nature of the U.S. patent system?

ACleaning supplies
BDog food
CElectric cars
DSmart phones

Verified Answer :

austin1946

i would say D. smart phones

The answer is: D. Smart phones

Because if the U.S patent system, other companies cannot copy the invention of others and sold the same product in the market.

This make a lot of those companies invested in research and development team to come up with new invention in order to compete in the market. This cause the product to advance rapidly.

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