Complacently the humans consider their high-tech castles unchallengeable. Henry worked hard to present an image of unchallengeable authority and irresistible power. Contrary to Eva, she considers the givens of the situation to be unchallengeable boundaries. And the state system is taken as the fundamental and unchallengeable global institutional arrangement. Parliament has a legally unchallengeable right to make whatever laws it thinks right.