Question

The goal of the European Union is to _____. outdo the United States as an international trading nation create a single regional economy among its members coordinate tariffs among its members make a bigger trading bloc than that of the Asian nations

Answer 1

The EU (European Union) is not created to compete with any other economy in particular: we can exclude the options which mention United States and Asia.

It was rather create to boost the economy of the member states by creating a common market and decreasing the obstacles: the correct answer is:
create a single regional economy among its members

Answer 2

create a single regional economy among its members