The columbian exchange promoted the commercial revolution in europe by

Trench warfare began after germany failed in its initial plan to seize france and bring a quick end to the war. negotiate a temporary truce with the allied forces. attack the allies by sea with its powerful navy. storm across the eastern front to attack russia.

Three broad zones with different climates and resources shape russian life. they include:

Describe the first sit-in and its impact on the civil rights movement.