List three actions taken by the various Axis nations which caused the Allied Powers to declare war. Please help I can’t find answers

Which quotation from the declare ration of independence shows the idea of the social contract

Which of these factors could have influenced the sacco and vanzetti case? check all that apply a. prejudice or distrust toward immigrants b. fear or anarchist violence c. distrust of those who did not seem to fully support the government

Yugoslavia a: nato b: warsaw pact c: not a member of either alliance