The oldest Terrorist group was known as "The black hand" they assassinated Archduke Franz and that our break the war. The organization wanted to cause terror to Austria. They organized from Serbia in 1911, it's more like a secret military society.<span />
2011–2017 Syrian Civil War spillover in Lebanon Lebanon
2011– Iran–Saudi Arabia proxy conflict Saudi Arabia Iran
2013–2017 War in Iraq (2013–2017) Iraq
2015– Yemeni Civil War Yemen Saudi Arabia United Arab Emirates
Answer:
A
Explanation:
Its straight forward , it's the Organisation of Petroleum Exporting Countries and has nothing to do with it been a consolidate of Arab nations even though their land is dotted with oil.