I'm pretty sure the answer is indigo. If I'm wrong then I apologize.
Answer:
In my opinion yes because of the fact that it took 4 to 5 years of us fighting each other. but they also did not do there because because if they did another attack like when they pushed up north they they mite of won the war.
Explanation:
<h3>The major cultural contribution to the empire is <u>Mosaic</u> :)</h3>
I believe the correct answer is D