Why was Greece easily conquered by King Philip of Macedonia?

Greece was easily conquered by Macedonia because the city-states had grown weak and were unable to cooperate with each other in time to make a formidable opponent to the invaders.

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.