Have you ever played a video game breaking the all-time high score only to find that you were never able to duplicate that performance? This is an example of _________, which is a threat to internal validity

Why might we question the statement that persuasion is all there is to power?

A)Persuasion is a subjective quality we cannot measure. B)Persuasion alone does not explain major policy successes of many presidents. C)Many presidents are uncharismatic and disliked. D)Persuasion is a purely institutional explanation for policy success.

To justify territorial expansion based on national superiority, a leader might appeal to the German concept of Lebensraum, which meant that __________

a. the German military was superior b. Germans were racially superior c. Germany was entitled to some living space d. Germany should become an authoritarian country