What happened in 2014 that made the ongoing civil war in Syria even more complicated?

2 answers

i don't know if this is the right answer but here

The civil wars in Syria and Yemen are similar because of the Arab Spring.

The similarities between the two wars resulted because of the Arab Spring.
Arab Spring is an uprising of people where they rebelled against the ruling government.
The difference between the two countries civil wars lies in several reasons.
The Syrian civil war began in 2011 with the massive destruction and discontent with the Syrian government under President Assad.
Troops from Russia entered into the civil war to support the government.
The Yemeni civil war began in 2014 within the Yemeni borders.
The civil war in Yemeni is still ongoing between the Yemeni government under Abdrabbuh Hadi and the Houthi armed movement.
Therefore we can conclude that the civil wars in Syria and Yemen are somewhat related and different as they have their reason to fight differently.
good luck :)