I think it might be 4 but I’m not sure
The answer to this question is going to be option "A" or "region of the Great Plains exposed to strong winds and loss of soil". The Dust Bowl was known as the "Dirty Thirties" it was a period of severe dust storms that damaged the ecology and agriculture of American and Canadian prairies during the 1930's failure to do dry land farming methods was a result of "wind erosion" which caused the events, It came in three waves 1934, 1936, and 1939-40. I hope my answer has helped you.. good day to you..
The us has fought in 12 official wars
After world war two our knowledge of what we could do with science changed because we then knew formulas and ways to make nuclear weapons
The surrender of the nazi's and the dropping of the atom bomb
