Answer:
The Articles of Confederation served as the written document that established the functions of the national government of the United States after it declared independence from Great Britain. It established a weak central government that mostly, but not entirely, prevented the individual states from conducting their own foreign diplomacy.
Explanation:
There were many more than three but the three main ones are the assassination of Archduke Franz Ferdinand, the rise of Nationalism, and the building up of military and alliances.
India people can be very hard to understand at times But I love them
You may need to specify but the answer is Submarine.
Laos, Cambodia, and Vietnam.