The flag race from UK to USA and finally to China

The History is cyclical..

in 1945, USA became the leader of the world driven by its internal dynamics for sure but also by the help of the debts from the previous leader of the world, UK. UK has had the borrowings from USA due to the trade deficit mostly composed of war equipments in WWII. USA was powered by a new energy source of energy that has never been used before, Nuclear energy.

in 2020, China will become the leader of the world driven by its internal dynamics for sure but also by the help of the debts from the previous leader of the world, USA. USA has had the borrowings from China due to the trade deficit mostly composed of war equipments during the second great recession. China will be powered by a new energy source of energy that has never been used before as well, Green energy.