Political science uses a scientific approach. Political scientists approach their studies in an objective, rational, and systematic manner.
In short. Russia is cold and America was there a lot...
All the good military generals and military schools were located in the South.
This true royal wives were allowed to have tombs near the pharaohs' pyramids.
The byzantine empire had many roads and waterways, as did the Roman Empire. They both had sets of authoritative institutions. They were both centers of commerce. Ancient Rome and Byzantine both manufactured many goods. Both of their economies relied heavily on industry and trade.