1. The purpose of this text is to inform us about the layers of the Earth and what they are composed of.
2. The mantle is a soft layer of molten rock called magma. In the upper parts, the rock is more rigid.
3. No. This statement is not true because the Earth is also made up of elements such as iron and nickel. The crust also contains life forms and water along with rocks.
Roosevelt did not mention Germany and the war in Europe in his speech because his main aim was to make sure that America stayed out of the war. He did not want the American people to become involved in foreign wars. What he did do, however, is provide weapons to the Allies to help them fight the war. It would seem that by providing the Allies with weapons he was hoping that the citizens of the USA would never become involved in the war.
A. Because the African Americans needed to be patient to get protection
