William Henry Harrison was a whig, and ran for numerous political positions throughout his career. The loyalists were some of his worst political foes.
Because after the second world war, there was a surge of immigration that flowed to the United Staes. There was also a substantial amount of people who were intelectuals that were flocking to this country. All of this led, of course, to dramatic changes following World War 2.
Answer:
The Greeks simply wouldn't accept the idea of being invaded by another country and they fought until they won. Another factor was that by uniting the city-states, particularly the Spartans and Athenians, it created a skilled, well balanced army that was able to defeat the Persians despite their numbers.