The correct answer is <span>b. that Germany was researching nuclear weapons
The letter explained how Germany was working on a nuclear program and it urged the United States to also start working on one to prevent Germany from using it. This is one of the reason why when the US joined the war they started saving scientists from Nazis and sending them to the United States and using their knowledge.</span>
In 1929 the American economy appeared healthy. For many groups of Americans the prosperity of the 1920’s was a cruel illusion
For a benefit to happen it must be a good thing. Like helping others, or participating on something good. <span />
One of the major factors was the availability of animals: the Old world had horses and other animals which were suitable for travel and carrying of goods, and contributed greatly to the technological advancement there. The new World also had horses, but they were extinct and we only know about them from archaeological excavations: so they couldn't be used by the more recent civilisations.
because they were better educated than men
