Nomads are constantly on the move, you didn't give any answer choices
D. By posting a well trained army throughout the empire
https://www.theknot.com/gs/preview/wedding
He built a huge Mosque and made the city the capitol of the Kingdom of Persia. It's the third biggest city nowadays but at that time was a marvel and people from all over the world traveled there to witness the greatness of the city and in general of the Persian empire.
B because the natives were moved and the American government bought the land from the french for 60 million french francs that would be billions in today’s money
