What impact did Genghis Khan have to the Great Wall? Was it the reason why it was made?

Once Khan had eliminated all opposition in his native territory and effectively established the Mongol nation, he looked elsewhere to expand his empire. In 1206 he invaded China and within two tears breached the "Great Wall." Through systematic offensives, Khan defeated all of China by 1215 and in 1218 added the peninsula of Korea to his empire.