The use of trench warfare on the Western Front was a major military strategy that led to four years of war on the Western Front during World War 1 (1914-1918). The armies which comprised of millions faced each other in a line of trenches which extended from the Belgian Coast through to the North Eastern part of France and Switzerland. This resulted in combat between the German troops and the Allied forces of Britain, France, and later the United States.
B) They had a complex civilization that was destroyed by the Spanish conquerors.
By the time of the Spanish invasion, the Aztecs had devloped a strong civilizations, they had a system of trade & commerce and were quite wealthy. They also had a primitive form of "police" and a banking system.
B. Europe's population growth is mostly due to immigration.
During the age of imperialism, European countries competed
to gain new territories to acquire markets and resources to gain wealth and
influence. The more territories one
country control the more powerful their influence grew in world politics and
created conflict as some countries saw others as a threat. When the war ended, many countries were
devastated as lives were lost and the economy suffered. This was especially true to those on the
losing. After many demands were placed
on them, they grew angry and as a result this laid the seeds for the Second
World War.