B. helped prevent and cure diseases like tuberculosis and polio.
white males
This was an effort espoused by "Jacksonian democracy" (in reference to Andrew Jackson). The stated intent was to allow common Americans to have more influence in the political processes.
The expanding of the democratic franchise aimed at getting rid of property requirements for voting. That benefit thus went to white males. It didn't do anything for blacks under slavery, of course, and and wasn't at all concerned about giving voting rights to women.
Resolved, that this Congress will apply to His Majesty for a redress of grievances under which his faithful subjects in America labor; and assure him that the colonies hold in abhorrence the idea of being considered independent communities on the British government, and most ardently desire the establishment of a political union, not only among themselves but with the mother state, upon chose principles of safety and freedom which are essential in the constitution of all free governments, and particularly that of the British legislature.
SO BASICALLY POLITICAL UNION
Answer: From the White House, US President John F Kennedy cancelled at the last minute the US air strikes that would have neutralised Castro's aviation. He did so because he felt the United States could not appear to be behind the invasion
Explanation: