Why it is going civil war in the Middle East of Yemen

Please Why clearly explained that the reason or is going civil war in the Middle East of Yemen
Peace talks are now to be carried out on the civil war roasted happening in the Middle East of Yemen in Sweden.
This time about the civil war taking place in Yemen, I would like to explain clearly.
First, let's check to see Yemen where to find.
Yemen is adjacent to Saudi Arabia, a country that faces the Arabian Sea.
The official language is the capital city is called Sana'a in Arabic.
Population million people. (0 years)
It religion is Islam mainly inhabited by Arabs.
Once upon a time is agriculture, but people who are living in the fishing industry was the most, and natural gas and oil will be discovered in the 1980s, now earn foreign currency by exporting these.
(However, the production amount is not so much)
Is a country blessed with a fairly mild climate in the Middle East, but now more people have brink of hunger, child both his death in malnutrition also have many.
Do you have what is happening in one piece this country?
Yemen as it was in the beginning is now, it is a civil war.