A great cause of former hostility was caused when the invasion of North Europe was invaded by Germany and when the devestation of Pearl Harbor have occurred during World War II followed by the Axis Powers; because of the damage created by the Axis Powers, both nations in Europe and the United States grew hostile and grew further alliances with more nations in Europe to work along side together to oppose the Axis Powers.
Between 1870 and 1900, unprecedented numbers of Europeans immigrated to other countries.
So, your answer is option C. Immigrated to other countries.
Hope this helps!
I will do it ill start working on it now and then turn it in in like 30 mins is that ok?
<span>The use of turning points is a historiographical short-hand for something of significance, a point where things change irremediably. But it is always a matter of debate and argument. If there ever was a collective noun for historians, it would be a disagreement.</span>
The conferences were difficult due to the rising tensions between the west (United States and Britain) and the East (Russia) after world war two. This was the beginning of the Cold War and the rise of the Iron Curtain