The Global Impact of Chinese and Japanese Economic Growth. ... As Japan contributed a remarkable 16 percent to global GDP growth from 1960-1990, China added a mere 2 percent. Much has changed. China has overtaken Japan as the world's second largest economy, accounting for 16 percent of global GDP in 2015 not sure if this is what you'r looking for.
The reason why the Mongols withdrew form Asia was because of horrible weather conditions and diseases. If I had to pick, I would pick A.) Diseases because A is more severe then the weather conditions.
