I think the Chinese were the most important and the Koreans were not as important.
The technologies were only used to observe enemies but as their effectiveness became apparent, both sides started to dismantle what they were using. For example, they shot down the planes that they would see causing more death.
Answer: The Treaty of Versailles might have caused the Great Depression. it put small states on Germany's borders, in eastern and central Europe. It eliminated Russia as a direct enemy of Germany, at least in the 1920s, and it removed Russia as an ally of France.
Explanation:
C) Stamp Acts - Boston Tea Party - 4th of July
The Stamp Acts were enacted in October 1765
The Boston Tea Party took place in 1773
The 4th of July, or Independence Day, happened in 1776