Explanation:
World War 1 ended after the signing of Treaty of Versailles between Germany and other countries in war.
In the treaty, Germany was made responsible for starting World War I, it said that since Germany couldn’t settle its issues so it had ignited WW1.
Other than this humiliation, the treaty also imposed heavy sanctions on Germany, it had to lose some territory also and it led to economic suffering in the country.
All these factors gave air to the nationalist party Nazi, that was led by Hitler and his party gained confidence of the locals also
To stop the spread of communism.
Explanation:
The United States have an infamous history throughout the 20th century of meddling in the internal affairs in countries all over the world. Some oft hose countries were Guatemala and Iran. There were two reasons as to why the United States engaged into overthrowing their governments, one being the economic factor, and the other being the military factor.
First of all, the United States were trying to stop the spread of communism, and even more so the Soviet influence in other countries. They were opposing the communism mainly because it was endangering the economy, or rather the global trade and market. In order to prevent this, as well as to secure military presence in strategically important places, the United States engaged into overthrowing governments, including the ones in Iran and Guatemala. The overthrowing was done by financing opposing groups, tactical support, providing finances and weaponry...
Japan invaded Manchuria.
They did this because Manchuria was poorly defended and had many resources.
It had living space for their surplus population and Manchuria had enough raw materials, food and other goods that would make Japan self-sufficient.