The bombing of Pearl Harbor was the final reason that gave the US justification in joining the war in Europe.
Could you please provide some more details?
Ibn Al-Haytham was a famous muslim scholar whose works spanned many fields. He was a surgeon, doctor, but also a philosopher, mathematician, and astronomer. He was truly a great mind who significantly contributed towards the life we have today.
1. The Byzantine Empire was comprised of the Easter fragments of the Roman (latin) empire, but it comprised mostly Greek speaking citizens. However, the Greek Speaking empire was very large including Greece, Turkey, Inonia, Antioch (the israel area), Egypt, North Africa, the Mediteranean Islands, Balkans, and Southern Italy.