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Migration Innovation

This mod alters the Varangian Adventure into an all tribal-era culture available innovation. It's now listed as 'Tribal Migration' under tribal-era innovations. As long as the culture has the innovation, and their government is tribal, they can migrate. This innovation will disappear as an option if a culture enters their next age before discovering it.

Upon migrating into a new region, the capital county will change to the invader's culture and faith. Several steppe and other historical migratory cultures have the innovation at their appropriate start (though this will only matter if they adopt tribal government.')

The game rule 'All Tribal Migration' allows the use of the migration casus belli regardless of if the innovation has been discovered.