In addition to this, there are three sectors of government that work almost at the same level: legislative, executive and judiciary. All these branches have power, but none of them can overlap each other. Because all sectors of government are made up of humans, there is much controversy within these divisions, as seen in the Obamacare case. Congress was divided exactly between Democrats (for) and Republicans (against). The Supreme Court saves the law with a difference of vote. These are proof of the effectiveness of a Democratic Republican