It is inconceivable, then, that believers should have to suppress a part of themselves – their faith – in order to be active citizens. It should never be necessary to deny God in order to enjoy one’s rights. The rights associated with religion are all the more in need of protection if they are considered to clash with a prevailing secular ideology or with majority religious positions of an exclusive nature. The full guarantee of religious liberty cannot be limited to the free exercise of worship, but has to give due consideration to the public dimension of religion, and hence to the possibility of believers playing their part in building the social order.

You can read the speech in it’s entirety by clicking on this link.  Some parts of the address may help you with your essay on your definition of a just war.   What is the Pope’s message to the nations of the world?