Not always, sometimes the justification is just an honest "we need money" - e.g. the German tax on sparkling wine was put in place to pay for the battleships of

Not always, sometimes the justification is just an honest "we need money" - e.g. the German tax on sparkling wine was put in place to pay for the battleships of the navy. The Imperial German Navy of Wilhelm II. In 1902. Still in place. :D