C. Both wars contributed to worldwide economic depressions.
D. Both wars resulted in the spread of fascist ideology.
Explanation:
The end of WWII marked a start of a worldwide economic depression, specially in Europe, America was the only continent that actually thrived after WWII and grew bigger and more stable after WWII, and after WWI and WWII the world started spreading different fascists ideaologies, like Mussoulini and the Nazi German, and after WWII the fascism and nationalism grew in socviet Russia and China ending with communist ideologies taking over different eastern countries.
