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The Fact
Researchers have long puzzled over the abilities of male chimpanzees, who constantly bicker and fight, yet put aside their differences to co-operate and work together when struggling for territory against other groups. Female chimps are much less inclined to engage in reconciliation behaviours.
Imagine you have debt a bank a couple of hundreds pound sterling. This is your problem. But if your debt is a couple of hundred millions pound sterling - that's the bank's problem!