Hamburg is the largest city in Europe that is not the capital of a country.
An important resource that Spain wanted from the colonies was gold.
By eliminating competition, trusts could charge whatever price they choose
The answer is C.
After the assassination Austro-Hungary sent an ultimatum to Serbia to investigate the assassination in Serbia, but Serbia declined the ultimatum, so Austro-Hungary declared war to Serbia. Then Russia declared war to Austro-Hungary and Germany declared war to Russia. Then the Ottoman Empire joined Germany and Austro-Hungary and they created an alliance and some other countries joined as well. After that, Great Britain, Russia and France created an alliance as well, and some other countries also joined their alliance. That's a short summary of how the WW1 started.
The best option from the list would be that this case "<span>declared that segregated schools were inherently separate and unequal," since it officially overturned Plessy vs. Ferguson, which said the opposite. </span>