The Social Security Act of 1965 authorized Medicare and provided federal funding for many of the medical costs of older Americans. So B or C.
It is either noblemen or priests
One of the main ways in which the rise of nation-states made sea exploration possible is that "<span>c. Nations sent explorers to get glory, land, and riches", since the New World brought with it the opportunity for explorers to find massive amounts o gold, silver, and other riches. </span>