The correct answer is the Balkans
There was a lot of multi-ethnic issues and violence in the region as the region only recently managed to get its independence from the Ottomans. This was combined with the pressure from Austria-Hungary who held a part of the region, specifically western Balkans and wanted even more. The war began when Franz Ferdinand got assassinated.
Answer:
A. U.S and Chinese relations improved...
Explanation:
That's it.... Hope it correct
Yes he did want to spread communism.
I think it's oil, rubber, and tin if this isn't correct, then my apologies.have a great day :)