existence
noun
°The state of being, existing, or occurring.
"Most people doubt the existence of the Loch Ness monster."
°empirical reality; the substance of the physical universe Dictionary of Philosophy; 1968.

welfare
noun
°health, happiness and prosperity; well-doing or well-being in any respect.
°aid, provided by a government, etc. to people in need, especially financial aid.

incumbent
adjective
°imposed on someone as an obligation, especially due to one's office.
"Proper behavior is incumbent on all holders of positions of trust."
°resting on something else.
noun
°The current holder of an office, such as ecclesiastical benefice or a an elected office.
°A holder of a position as supplier to a market or market segment that allows the holder to earn above-normal profits.

historic
adjective
°having importance or significance in history.
°belonging to the past; historical (see note below).

reality
noun
°The state of being actual or real.
"''The reality of the crash scene on TV dawned upon him only when he saw the victim was no actor but his friend"
°A real entity, event or other fact.
"''The ultimate reality of life is it ends in death"
synonyms: actuality, real world

relationship
noun
°Connection or association; the condition of being related.
°Kinship; being related by blood or marriage.

relation
noun
°The manner in which two things may be associated.
"The relation between diet and health is complex."
°A member of one's family.
"Yes, he's a relation of mine, but a only distant one."
synonyms: connection, link, relationship, relative more» , recount, tell, correspondence

maintain
verb
°to keep up; to preserve.
°to declare or affirm a point of view to be true.