How were the countries of Europe and Asia affected by the spread of german and Japanese imperial power

They were sure it was nothing at first but then they started getting frightened

Explanation:

the dust bowl, otherwise known as the dirty thirties, was a huge dust storm that killed multiple (and i mean  multiple) farmer's crops, leaving them homeless, and foodless, and jobless. in california, there were 5.7 million residents, and the population shrank as mexicans were repatriated. however, when the dustbowl happened, a lot of people began to move to california. by 1940, 250,000 people had arrived. therefore, your answer would be  the population increased, massively.  i hope this !

explanation:

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.