I think it's B because all the slaves in the south were growing cotton
Answer:
Portuguese and the dutch established their footholds through military force in Africa and Asia. They Both built fortifications and trading posts to support commercial activity. Unlike the Porteguese who'd just made forts, the Dutch settled permanent post. More land was taken over by Dutch settlers as the Porteguese just stayed along the coast. Because the Porteguese had not permentally settled and colonized their forts, other nations took over and their effects on the region did not last long after their empire had declined.
Answer:
The real and main reason was The Assassination of Archduke Francisco Ferdinand heir to the throne of Austria-Hungary in his visit in Bosnia. The Hero Gavrilo Princep killed him because he want his country to have independence.
There are also reasons like Imperialism, Nationalism, Militarism and many otherd
