This question is actually incomplete. But it can be that the author made assumptions about his audience as being familiar with mainstream rhetoric about globalization.
It can also be that he assumed that they oppose ceding local control to global organizations.
Assumption refers to the decision or conclusion that one comes to accept as being true even without seeing any proof or evidence. Assumptions are usually made by individuals on different subject matter.
We can see here that the author actually made assumption about the audience. It may as a result of their being familiar with mainstream rhetoric about globalization.
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