It's a close run between all of the above and C. If I would have to choose, I'd say C, since executing ALL the Spanish seems a bit extreme.<span />
I’m going to say 1928 sorry if I’m wrong
I'm guessing you are talking about the Eastern Roman Empire, or the Byzantine Empire.
the Byzantine Empire a) remained strong for several centuries, until it fail to the Ottoman Turks at ~1346 ad
hope this helps