The correct answer is Germany declared unrestricted submarine warfare against all ships.
What this means is that Germany claimed control of the seas and oceans and if anyone opposed it they would attack it with their submarines. The US joined the war 2 months later.
<span>China is considered a low developed country.
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He found the first Egyptian Dynasty.
Dynastic rule is when a group of people, commonly a family, rules over a country and when the king dies his son or daughter becomes the next king or queen and it goes like that forever unless something groundbreaking happens like a revolution. Dynastic rule became common form of rule up until the modern era.
Answer:
In a dramatic speech to a joint session of Congress, President Harry S. Truman asks for U.S. assistance for Greece and Turkey to forestall communist domination of the two nations. Historians have often cited Truman's address, which came to be known as the Truman Doctrine, as the official declaration of the Cold War.
Explanation: umm i tried my best to explain it um hope you understand this XD
