Answer:
They didn’t want to take any chances
Explanation:
Obviously
Germany and Japan both made more aircraft than the US in 1939.The United States was making far more aircraft than Germany and Japan combined by the end of the war.The United States had a huge production advantage by the end of the war.The United States had not fully mobilized for wartime production in 1939.<span>Japan and Germany may have suffered war damage that hurt their production.</span>
C
Step by step explanation:
The main goal of the union blockade is to stop starting wars but it never was able to stop wars. many people died on the streets because they were in the middle of the fight.