What is the Iditarod?

It means "distant place". And this one comes from James Kasri, Assistant Professor, University of Alaska Native Language Center in 1979: The name Iditarod came from an Ingalik and Holikachuk word Hidehod for the Iditarod River. This name means distant or distant place.

Explanation:

hope this helps have a safe and joyful holiday

The U.S. Constitution provides checks and balances for the U.S. government

Explanation:through the separation of powers between its three branches: the legislative branch, the executive branch, and the judicial branch.  This ensures that the president cannot use his power for personal gain.