How to subjugate a country, quietly and from the inside
2. Control of the money supply is essential. Once you control it, you control the economy. Recessions and depressions can then be engineered, so that government can step in to "rescue" people from what it claims are "free market" failings.
3. Also, a government that controls the money supply can perform as much deficit spending as necessary for domestic spending and waging war, because money can be created at will, anytime, for the Treasury to borrow. For best obfuscation, claim that the central bank is a separate, "private" entity, and in fact "necessary" to ensure "monetary stability" -- which turns out to be fixing the crises that it creates in the first place.
4. Use the spectre of "crisis" -- create one if necessary (see step 2) -- as a pretext for nationalizing all the major industries. Education facilitates control of the young, allowing you to breed successive generations of obedient sheep who will fall for whatever political rhetoric you offer them. Energy facilitates control of people's transportation behavior. Insurance. Health care. And banking controls everything about people's ability to do commerce. Of the five, it's the most powerful as a weapon for punishing political dissidents.
Once you've done these, you're in control of a country. No formal conquering via military force, no revolution, and it happens so gradually that people can't pinpoint a certain time when liberty was lost.
Who has ears, let him hear. Who has eyes, let him see. Aren't the signs already so obvious?