The reform proposals that are made by Kennedy which were rejected by a conservative congress are medical care for the elderly, medical aid to infected areas, and also education. John F. Kennedy was actually the 35th President of the United States. Hope this answers your question.
Virginia Plan: (option 1) Congress members elected based on population. i.e. the Congress members should have a number of votes based on the population.
New Jersey Plan: (Option 2) Congress members elected by state. It opposed the Virginia Plan, so the Congress members should have the same number of votes.
3/5 Compromise: (Option 3) how slaves were counted. Three out of every five slaves were counted toward state populations and for taxation.
Checks and Balances: (option 4) prevents one part of the government from being too strong. It implies the division of control among government organizations, such as a judiciary, a legislature, and an executive.
Federal System: (option 5) divided power between states and nation. It implies a strong national government and smaller local governments.
Natives had to pay taxes to the conquistadors. The conquistadors would protect the natives and the natives got to keep their land that the conquistadors didn't take.
