It was a chain reaction. Long story short, the countries were pulled into the war because of agreements they had with their allies. This treaty is what caused the countries to enter WWI, to protect and defend their allied countries who were already in the war.
Answer:
It would be D) by delivering fresh food to people in cities
Explanation:
<em> just took the test.</em>
The answer to your question is,
Continents on the east side could fit snugly against those on the west.
-Mabel <3
1000 MI. Long from Chang'an to Dunhuang