NVCC US Had Given up Neutrality and Embarked on Naval War Against Germany Questions

What was the English and American response to Hitler?s invasion of the Soviet Union? Why? What were the steps by which ?the United States had given up neutrality and embarked on naval war against Germany?? 18. What was the motive for Japanese expansionism in the 1930s and 1940s? Why did it withdraw from the League of Nations? 30. What secret concession did Roosevelt make Stalin to ensure that Russia joined the war against Japan in 1945?