The first guard against tyranny, federalism, meant that the government divided it's powers between the federal and the state governments. "The power surrendered by the people is first divided between two distinct governments, and the portion allotted to each subdivide among distinct and separate departments" (Document A). By creating two Separate governments, it creates a system that balances itself, and then creates another balance or double security by having branches within those governments that check each other to make sure that there is no abuses of power. The way in which they assign these powers to each government, as stated in document B, is to reserve all powers not delegated to the national government to the state government. This protects against tyranny because it keeps the federal and states Separate but even at the same time so neither can surpass the other in amounts of power.
The second guard against tyranny is the separation of powers, which organizes the different departments within each government in such a way that each branch is separate from each other, and have different duties to carry out. Document C states that "The accumulation of all powers...in the same hands,