What did the einstein-szilard letter warn president roosevelt about in 1939?

that the us was secretly researching nuclear weapons
that germany was researching nuclear weapons
that the us planned to use nuclear weapons against japan
that germany planned to use nuclear weapons against japan

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.

the answer should be arrogance & pride.

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bilateral multipolar bipolar unilateral

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bipolar.  

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true false

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true.

explanation: