Yes Winston Churchill linked Communism to an Iron Curtain. Hope this helps :)
For Italy, they were spies who collected top secret knowledge for the Allied Powers. They were U.S. soldiers who fought off the enemy successfully. They were British troops leaving their units to join the enemy.
Answer: The kingdom of Aksum lasted for around 905 years.
During this time, it was China that mostly remained a land-based empire. This is due partly to the fact that China occupied a large area of land, and didn't need more resources.