Congress. To declare war needs act of Congress. The last time Congress declared war was WW2. Many Presidents get around this to engage in military action by not offically declaring war. In the case of terrorists it is impossible because they don't come from one country and are not offically accepted as a military unit in those countries.
1939 is offically seen as the start of WW2 when Hitler invaded Poland.
Germsny invaded Poland in 1939.
World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.World War I and World War II both started in Europe.
Both wars.....GERMAN ....coz Versailles Agreement were sucks....so they begun wwII
The 1939 invasion of Poland, which resulted in the invoking of several treaties.
The German/Nazi invasion of Poland on September 1, 1939.
Germany invaded Poland on September 1, 1939.
no, it was started from the sinking of american ships that held british and american citizens. as a result of this britain and america took action and declared war on germany.
In world war 1,germany started the war,but in world war 2,japan started it and usa ended the war
No world war 1 was started in 1914 . World war two started in 1939
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939