Through the use of naval power
High mountains and access to water (the sea, not rivers) meant that
navies were critical for war and trade.
This also meant that the different city states of Ancient Greece were
physically separated from each other.
This allowed each culture to have similarities (like language and
religion), but also significant differences like the Spartan vs. Athens
systems. This also led to a particular
type of farming and a limited ability to fight in open plains. Hence the Hoplite system with phalanxes
became dominant.
Hitler appealed to the nationalism of German people in that he promised to restore German dignity after Germany lost WWI and was forced to sign the Treaty of Versailles. The Teatry had numerous clauses the made German people angry and frustrated. So one of Hitler´s first promises was to abolish this treaty. Next, he promised to restore and rebuild Germany´s economy by givng farmers land, improving pensions and also making electical and water companies public. They would belong to all Germans.
Germany´s middle and lower classes were eager to punish those enemies that had led their country to hypeinflation and economic ruin. Hitler mainly appealed to restoring Germany´s national pride.This nationalistic future of a united and prosperous country that did not welcome immigrants or other ethnic groups made Hitler´s promises appealing.
MOST of the peasants were farmers, but some where tradesmen such as millers or tavern owners