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:
<span>create a single regional economy among its members
</span>
Answer:A.the interference was unnecessary for whole population that's was negligible
The correct answer is ratio strain. Ratio strain is defined
as having the variable ratio to be paused in responding as well as the fixed
ratio to respond at times compared pf the reinforcer and it likely results to low
reinforcement frequency or large ratio size.