Answer:
That Germany was researching nuclear weapons.
Explanation:
This letter was written by Leo Szilárd and signed by Albert Einstein, and sent to warn the President of US Franklin D. Rooselvelt in 1932, about Germany developing atomic bombs.
Carter G. Woodson Founded Black History Month. Graduated from Berea. Second African American to receive a doctor from Harvard.
Because there was so little known about the ocean floor at the time
The answer lies in knowing what would happen if trenches were formed in a straight line. Imagine it! If trenches were in a straight line and a portion of the trench was overtaken by the enemy, it would make it so much easier for the enemy to quickly open fire down the length of the trench to take out any soldiers harbouring there and thus quickly take control of the trench before anyone could muster a counter attack.