[quote=@Red Alice]
[@Odin][@slackpack]
There is one advantage in this taking place during a Shinobi World War; A Genin team could be formed across allied countries as a ad hoc group, for military needs. That may be a bit sub optimal compared to being a group purely composed from one nation, but it is possibly a valid option for those on the same side I think.
[/quote]

Yeah, probably wise from a GM standpoint, although I reckon that'd be more something for a mission-by-mission basis because even allies didn't really trust each other from what I remember. They're shinobi after all.