Explain why Congress is relied on so often in the document and how the text does this without giving
the branch too much power.

Each state agreed because they would be represented equally in the Senate so this was a good compromise. Also, it gives the federal government power to create laws that they deem “necessary and proper." They relied on Congress because

The Constitution specifically grants Congress its most important power — the authority to make laws

Explanation:

Federalism is the system of government in which power is divided between a central government and regional governments; in the United States, both the national government and the state governments possess a large measure of sovereignty.