The correct answer is They thought it was necessary to protect the liberty of Americans.
The Federalists were a group of individuals who wanted a strong central government when developing the new US Constitution. The Federalists felt that the old constitution, the Articles of Confederation, was too weak and lacked the strength needed to keep the country together. This is why the Federalists advocated for a stronger federal (central) government.
The Federalists also wanted to ensure that the federal government did not become corrupt or tyrannical. This is why they approved of a system of checks and balances, in which each branch of the federal government has specific powers. For example, the legislative branch creates laws, the president enforces laws, and the judicial branch interprets the law.
Historians often rely on both primary and secondary sources when supporting an argument, since it's important to use secondary sources to put the argument in context, and primary sources in order to make an original point.
