The Colorado is one of the major river systems of the southwestern united states and northern Mexico and forms a 1,450 mile long. Starting on the central rocky mountain systems of the river flows to southwest plateau regions and is known for the dynamic canyons and the formation of the rapids can be seen by the horseshoe bend at the Arizona.
Most of the upper parts of the river are white waters streams that have a depth of 60 feet.With areas of marshy valleys near the head water s and the grand valley that exhibits braided characteristics. In downstream the rover enters the marble canyons and passes under the Navajo Bridges on a southward course.
The river swings to the west of the Granite Gorge, near the grande canyon were the rover cuts up to one mile in Colorado plateau and exposes some oldest rocks on earth and the lower ends widens to the lake mead to the hoover dam.
A large estuary is formed before the Colorado River empties into the gulf, about 75 miles south of Yuma. Forma delta and flood plains that cover the 7800 km square northwest of Mexico.
"Panama is a country on the Isthmus of Panama, the landbridge between the Caribbean Sea and the Pacific Ocean, that links North and South America. It is bordered by Colombia and Costa Rica."
Prior to the existence of the nation-state, Europe was comprised of several multi ethnic empires, the largest and most powerful of which was the Holy Roman Empire. Territory changed hands often. Many times, this took place because of marriage or as a result of war.
