What role did Marco Polo serve in the Mongol Empire? Marco Polo provided military tactics to Genghis Khan.
Marco Polo worked as an administrator for 17 years.
Marco Polo ran one of the khanates in the region.
Marco Polo wrote a book about Kublai Khan.

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.