Yes, it is true that Sargon moved from South to North to conquer Sumer. It was said that Sargon set out to conquer Sumer and governed it using the Akkad rule. A lot of changes has happened and cultures, languages and traditions were being developed and merged under the rule of Sargon. Conquering Sumer is such a big challenge for Sargon, that is why , using battle strategies is very important. Sargon used, spears, bows and arrows in fighting with the Sumer. They even used surprise attacks to guarantee success in the fight.