I'm not so sure it might be 8 groups I think pretty sure it's 8
B. and E. marked the downfall of the Inca empire, for obvious reasons. Disease and civil war would obviously kill the empire, and taking an important leader would also mark great chaos within the empire. A. and C. are not to be ignored however, considering that maintaining peaceful relationships with the Spaniards only brought death and chaos to the Aztecs, all from the Spaniards.
Social Security Act was the law that was signed by President Franklin Roosevelt in the year 1935 and it was a New Deal Program that covered all the points mentioned in the question. The correct option among all the options that are given in the question is option "B".
