JiffyPopTart
Bree-Yark
I always feel like players really only get 2.5 major decisions for their character (Race/Class/Background).How I do it.
DM: "The campaign I have in mind is human centric. Ideally you will all be human, but if you guys can agree on it, one PC can be non-human. If you can't agree, then all human it will be."
Players: "Cool. We'll discuss it and see what we come up with."
Clear expectations make it all easier.
Limiting them to 1.5 major decisions always feels wrong to me, if the missing element is t made up for in some other interesting way like a rules-inclusive choice of guild membership or important family to allow for more differentiation.