Aye, they should 'ask' over there. The answer they would receive would be interesting:
"We're sorry, but the Home Office is no longer accepting that 'reparations for slavery from centuries ago' argument as anything other than irrelevant in the face of entire nations being created, destroyed, and new ones rising to take their place during the interterm. If your complaint as a former member of our continent had actually been legitimate in nature . . . then we still would not care." -- the combined nations of Africa.