The conflict between the federalists and the anti-federalists took place at the time of the writing and ratification of the US Constitution, that is, the second half of 18th century
The Federalists were in favour of strong federal government and the anti-federalists were in favour of strong state governments.
so the correct answer is: the anti-federalists.
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Europe, because Australia was once a British colony
A and B because the quote explains that large groups of people got together to form associations so A and B both make sense for the question
A) When the risk is low, the return is high