Pretty sure the answer is D.
<h2><em><u>Use this link to find your answer </u></em></h2><h2><em><u>http://ldh.la.gov/</u></em></h2>
They contributed to World War 1 through the assassination of Archduke Franz Ferdinand. The Black Hand was part of a Pan-Slavist movement in which they wanted to unite territories of South Slave that had been annexed by Austria-Hungry. Hopefully this helps.
Abraham is the father of jews and arabs.
Source: Im a Christian.