What Was the State of the Russian Economy Immediately After

What was the state of the Russian economy immediately after the expulsion of the Mongols in the 15th century?

A) Russia was already a dependent region within the global economy dominated by the West.
B) Fueled by the establishment of the Tartar trade routes with the East, Russia had developed a significant export trade and merchant class.
C) Russia had become a more purely agricultural economy, dependent on peasant labor.
D) Russia?s economic ties were almost exclusively with the Ottoman Empire and hence with Africa.