Why did the serbians challenge the austrians?

they wanted to start a war in europe
they wanted independence from the empire
they wanted the germans to leave their homeland
they wanted to be allowed free trade with all nations

I believe the answer is They wanted independence from the empire

"Probable cause" generally refers to the requirement in criminal law that police have adequate reason to arrest someone, conduct a search, or seize property relating to an alleged crime. This requirement comes from the Fourth Amendment of the U.S. Constitution

Explanation:

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