&quot;Can one go to another country, declare oneself as their leader and then just lead by being nice?&quot;<p>The thing is that Alexander&#x27;s biggest proportion of conquests were the former Persian Empire&#x27;s - lands of various people which all their life lived under some foreign rule. So there was a change in power, now here&#x27;s this new ambitious and charismatic leader offering some of the most nicest conditions imaginable if you just submit. Considering Alexander&#x27;s record of winnings and therefore - the chances of a revolt against him, is it that hard to believe that people preferred to stay put?