As the Greeks became skilled sailors, sea travel connected Greece with other societies. Sea travel and trade were also important because Greece lacked natural resources, such as timber, precious metals, and usable farmland. Rugged mountains covered about three-fourths of ancient Greece.
A if it were admitted that you who are dissatisfied hold the right side in dispute
The correct answer is: an extreme political ideology.
Indeed, the movement’s ideology was a very dogmatic blend of several ideologies and outlooks. They were heavily Stalinist and Maoist in their leftism; extremely xenophobic against both foreigners and national non-Khmer minorities and extremely agrarian.
With regards to their Stalinist/Maoist outlook they believed in absolute obedience to the party and its leaders, with a set of inviolable strict rules and laws and the belief that the ends justified any means.
They loathed national minorities as they saw them as a stain on their national Khmer purity and they despised foreigners because they refused to ever be colonized again, whether by Westerners or Asians.
They also considered that urban, capitalistic society was a disease and sought to eradicate it by eradicating its people.
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