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Declaration of war facts for kids

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Franklin Roosevelt signing declaration of war against Germany
President Franklin D. Roosevelt signs a declaration of war against Germany on December 11, 1941.

A declaration of war is a formal statement made by a country's government. It tells the world that this country is now in a state of war with another country or countries. Think of it as an official announcement that fighting has begun.

Countries have been using declarations of war for a long time, especially since the Renaissance period. This was a time in history when many new ideas about government and how countries should interact began to form.

After the terrible events of World War II, many countries wanted to find better ways to solve problems without fighting. The United Nations Charter is like a rulebook for countries that are members of the United Nations. It tries to make sure that countries only go to war in very special situations, like when they need to defend themselves because they have been attacked. Even with these rules, wars still happen, but powerful countries don't always make a formal declaration of war anymore.

What is a Declaration of War?

A declaration of war is a very serious step. It means a country is officially saying it will use military force against another country. This usually happens after a lot of talks and disagreements have failed.

Why Do Countries Declare War?

Countries declare war for many reasons. Sometimes it's to protect their own people or land. Other times, it's to help an ally, which is a country they have an agreement with. A declaration makes it clear to everyone that a country is choosing to fight.

The United Nations and War

The United Nations was created to help keep peace around the world. Its rules say that countries should try to solve their problems peacefully. They should only use force if they are attacked or if the United Nations Security Council agrees it's necessary to keep peace. This is why formal declarations of war are less common today.

Important Declarations in History

One famous example is when the United States declared war on Japan after the attack on Pearl Harbor in 1941. Soon after, Germany declared war on the United States. These declarations officially started the United States' involvement in World War II.

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See also

Kids robot.svg In Spanish: Declaración de guerra para niños

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