The passage suggests that each of the following contributed to Congress's enacting the War Powers Resolution of 1973 EXCEPT A. a change in the attitude in Congress toward exercising its role in the use of armed forces B. the failure of Presidents to uphold commitments specified in defense treaties C. Congress's desire to be consulted concerning United States military actions instigated by the President D. the amount of money spent on recent conflicts waged without a declaration of war E. the number of lives lost in Vietnam