Sounds like this is a combination of #1 and #5, depending on whether the risks come from the environment or from other males. But I don’t think that “removing the politics” can be a general answer—maybe it’s relevant for humans, but there are plenty of species which don’t live in groups, or don’t sacrifice very much for their groups.
Sounds like this is a combination of #1 and #5, depending on whether the risks come from the environment or from other males. But I don’t think that “removing the politics” can be a general answer—maybe it’s relevant for humans, but there are plenty of species which don’t live in groups, or don’t sacrifice very much for their groups.