The answer would be False
He was engaged in a lot of trading.
Answer: Mongols did not necessarily need to expand their territories as much as they did. The pull factor for Mongol imperialism is directly related to the push factors. They may have included climactic and geographic issues impacting the nomadic tribes but most likely were due to the Mongols being enthusiastically militaristic.
The US did complain, a lot. Mostly due to that fact that Western Berlin which was controlled By the USA, France and Britian was securely behind this barrier and so to supply half of an entire city they had to fly in 24/7 airlift cargo missions for weeks on end to keep the city from starving.