Why did the Federalists support a stronger central government and why did the Anti-Federalists (Brutus) oppose a stronger central government?

Why did the Federalists support a stronger central government and why did the Anti-Federalists (Brutus) oppose a stronger central government? What were their various arguments and fears demonstrated in the primary source readings? Were any of the fears realized? How did this debate continue to shape politics in the Early Republic? Did the federalist system adapt to any changes during the Early Republic?