China had invaded Vietnam
Answer:
China
Explanation:
Mr. Kissinger was part of the US diplomatic trip to china which lead to the american ping pong team going there to play as well as significantly less frosty relations between the two nations, effectively splitting the communist block.
1. mutual defense allies,
2. imperialism,
3. militarism,
4. nationalism,
5. immediate cause: assassination of Archduke Franz Ferdinand
George Washington won the Battle At Yorktown and was responsible for the Continental Army.