Related to anger and disappointment, it arises from the perceived resistance to the fulfillment of individual will. The greater the obstruction, and the greater the will, the more the frustration is likely to be. Causes of frustration may be internal or external.
From my knowledge, I know that the US Government believed Japanese Americans on the West Coast would provide a strategic advantage for country of Japan as it was their closest border to Japan. They could possibly be spies or seek out ways to help their home country they most likely had their allegiance to.
Answer: The conquest, (seek to colonize) and slave trade
Explanation: The 3 countries did that, they colonized to have more territory
To find a direct route to China