The only ally that The us didn't have was russia
C is most likely going to be your answer.
The three rights that were mentioned were rights to life, liberty, and the pursuit of happiness, and that men organize into governments in order to protect these rights. If a government should infringe upon these rights then they should be replaced since they need to have the will of the governed behind them in order to ensure the existence of these rights.
To cure illnesses and diseases?