Which statement best describes how Muscovy rose to power during Mongol rule?

After the fall of the Byzantine Empire, Eastern Orthodox Christians fled to Muscovy to support their fight against the Mongols.

Princes from Muscovy led a centuries-long war against the Mongols from their base in Novgorod.

The Ilkhanate and Yuan Dynasty leaders allied with Muscovy against the Golden Horde.

Princes from Muscovy allied with Mongol leaders in exchange for land and power.

The statement "Princes from Muscovy allied with Mongol leaders in exchange for land and power" best describes how Muscovy rose to power during Mongol rule.