they are named after the rocky mountains that run through the state
There are no countries on Antarctica.
The Rocky Mountains run through the USA and Canada, North America.
They start in Canada, run through the US and terminate just north of the US/Mexico border.
Spain !
The Rockies extends over 3,000 miles and runs through 6 states: Montana, Idaho, Wyoming, Utah, Colorado, and New Mexico. The Rockies also run through 2 Canadian provinces: British Columbia and Alberta.
The Ural Mountains run through Russia and Kazakhstan
The Black River is in the United States, it runs through no other countries.
Canada
Russia
the U.S.
SPAIN !