Mother Teresa is a medical system and religious system. Economic system, political system, information systems have also been implicated.
Such as dance and music, is a religious system.
It is obvious if you consider the history of mankind.
Of course, other systems are also at stake, but ...
It is a religious system mainly.
It is Nature that contains all these systems. Alternatively, it is the ecosystem.
Christianity, Islam, and Buddhism etc. is included in the religious system.
Religious systems, political systems, economic systems, medical systems, information systems.
The World is composed of 5 major systems?
The world is Nature. Eco-system. Is composed of 5 major systems.