Abe was new to possession in the first two games, hence he would not control Sligs very elegantly - they would have a stoned expression and would stumble about a lot. By Munch's Oddysee, his technique and control had been refined. Another reason is that the AI in Munch's Oddysee was dreadful: similar to Sligs not noticing any peculiar when Mudokons are carried by an invisible Abe, they seem unable to be concerned when the Slig they are chatting to suddenly screams out in agony.
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.