I would say the Internet. The Internet has helped to connect people digitally around the world. It provides quick sources of entertainment and information.
If we want to know what's airing at the nearest cinema we can just look it up. If we want letters to be sent quickly that can happen in a second.
Oil maybe I think it is about oil
Answer:
Guilt was assigned to Germany as they caused the most deaths in the war. However, this is somewhat incorrect, because Austria-Hungary caused the war, not Germany.
Explanation:
The Germans had to give up land.
The Polish Corridor split Germany in 2.
It had to pay a massive amount of debt to the allies.
The military was reduced to 100,000 men, no airforce.
The Rhineland was demilitarized.