Answer:
the cause was that Mexican- american war was a conflict between the united states and Mexico fought from April 1846 to February 1848. the main cause of the war was the westard expansion of the united states.
Explanation:
Soviet Union had stretched from Europe to the Pacific Ocean and conquering all of it would take time and effort, and the Nazis had to face the Soviets and nature at the same time.
It was founded by Roman Emperor, Constantine when Rome split into 2 separate empires. Constantinople became the Capital of the Eastern Roman Empire. The modern day of location of Constantinople, is Istanbul, Turkey.