Here i’ve got this,
in number one put yellow and red in the examples
number two explanations put orange green grey and in examples put blue and purple
I’m gonna have to say 1 and 3
The effects that WWI had on Germany was that they lost allies and suffered huge territorial losses giving away its land and population to Poland, Russia, France, Belgium, and Denmark, and ultimately had to sign the Treaty of Versailles. After the U.S involvement in the first World War it lead directly to the Great Depression and WWII, The Treaty of Versailles led to a system where the U.S was cashing in its wartime loans to the U.K which in turn was using the wartime reparations it received from Germany to pay off the U.S.
The answer is, Nations must cooperate to bring about and maintain world peace, and No country must develop or own any sort of nuclear weapons.
Farmers struggled with low prices all through the 1920s, but after 1929 things began to be hard for city workers as well.