But doesn't the Mongols being nomadic mean that they leave the land and don't have a legacy? As they left the land, they didn't leave pieces of art or architecture that other groups would leave for a legacy to be created.

Prince Mstislav III of Kiev's army was weakened by the Mongols battle and lost most of its soldiers as well as a military power that they once had.

Mongols in the Battle of Kalka River killed 20,000 out of 30,000 Russian soldiers and Prince Mstislav III of Kiev's soldiers.

Prince Mstislav III of Kiev was killed by the Mongols during the battle against the Russian when pushing for conquest in Russia.

Used horses as a way of transportation in their conquests.

Used new forms of weaponry in their military conquests such as gunpowder and cannons.

Mongols helped to protect the Silk Roads, leading to more trade occurring as people felt safer to trade on the route.

Mongols did not leave behind architecture influence due to them being a nomadic group that focused on conquering and moving often to conquer more.

Helped to spread the Bubonic Plaque through conquest and trade to other parts of the world where it would wipe out populations.

Mongols killed citizens and brunt down the towns of those who refused to surrender to them.