What did the writers of the Constitution need to include in order for the states to agree to ratify it?

In order for the states to agree to ratify the Constitution, the writers included several key provisions and compromises. These included:

1. Federalism: The Constitution proposed a federal system of government, striking a balance between the power and autonomy of the states and the central government. This addressed the concerns of states that feared excessive concentration of power in a strong central government.

2. Separation of Powers: The Constitution established a system of government with three separate branches - the executive, legislative, and judicial branches. This division of powers helped prevent the concentration of authority in any one branch and ensured a system of checks and balances.

3. Representation: The Constitution introduced the Great Compromise, which created a bicameral legislature. This compromise satisfied both large and small states by granting proportional representation in the House of Representatives based on population while providing equal representation in the Senate, with each state receiving two senators.

4. Bill of Rights: Many states were concerned about protecting individual rights from potential abuses by the federal government. To address this, the Constitution was supplemented with the Bill of Rights, the first ten amendments that explicitly protected freedoms such as speech, religion, press, and due process.

5. Popular Sovereignty: The Constitution emphasized the concept of popular sovereignty, ensuring that the ultimate power resided with the people. This principle helped secure the consent of the states, as it aligned with the Revolutionary idea that government derives its authority from the consent of the governed.

Ultimately, these provisions and compromises aimed to address the concerns of different states and balance power between the states and the central government, allowing for the ratification of the Constitution by all thirteen original states.