Money would be a reasonable answer what are your choices
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
I believe its the <span>consist mountains thick with trees, rivers and poor rocky soil that was difficult to farm and unsuitable for crops.
I hope this helps :)
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