I can see how this whole thing went once the "planners" in the Palace discovered Harry saw her as more than a convenient hump.
They had to take into consideration all the non-white people that come under the dominion of GB,and said to each other,"Cool! Let him marry the Halfrican actress. It will do good thing for our image in our far-flug Colonies,and make things go smoother!
After all,what could go wrong?"