Answer:
Tanks, machine guns, aircraft and chemical weapons were all refined and their technological secrets captured, causing lethal and simultaneously constructive effects. From such analysis, World War One is evident of a major modern turning point in history.
The entry of the United States was the turning point of the war, because it made the eventual defeat of Germany possible. It had been foreseen in 1916 that if the United States went to war, the Allies' military effort against Germany would be upheld by U.S. supplies and by enormous extensions of credit.
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The main goal of imperialists was to enrich the home countries. They would colonize Africa and use the colonists as cheap labor force, often as slaves, and would produce things that were cheaper and would take all of their resources and sell them or manufacture things from them. This would bring wealth to the colonizer but no wealth to the colony itself.
The common nickname js Hope island