Answer:
I think the letter was about the first atomic bomb.
Explanation:
''The Einstein–Szilárd letter was a letter written by Leó Szilárd and signed by Albert Einstein that was sent to the United States President Franklin D. Roosevelt on August 2, 1939. ... It prompted action by Roosevelt, which eventually resulted in the Manhattan Project developing the first atomic bombs.''
got the explanation from wikipedia, hope this helps.
Land claimed by Portugal actually belonged to Spain.
In the early 20th century, the primary <span>cause of the large-scale migration of African
Americans out of the rural South was "</span><span>(2) opportunities for jobs in northern factories" and better treatment by whites, in general. </span>
The Answer is The First one
“It Gave the Allies the advantage to win the war”
