The true statement would be"They believed in a system of checks and balances."
The Federalists wanted a strong, central government, so the first option would be incorrect. Also, they didn't fear the presidency would become too powerful, making the third option incorrect. The last option is incorrect because the Federalists supported the ratification of Constitution as they noticed the weaknesses of the Articles.
Explanation: The Virginia plan was the plan where they wanted votes based on the population and the New Jersey plan was the plan that they wanted the votes to all be the same no matter the population.