How to Use "arose" with Example Sentences

1. Then two temporary problems arose .
2. Between 1945 and 1975 , a number of communist nations arose in europe .
3. The other motivation arose during the 2008 financial crisis : to mask liquidity problems .
4. But a miasma of other dark fears soon arose , and has yet to dissipate .
5. This means they can vanish as fast as they arose if commodity prices fall again and the dollar rises .