The correct answer is B) non-governmental organizations.
All of these are examples of non-governmental organizations.
Non-government organizations or NGOs are a non-profit organization that is run by citizens with the aim of helping a noble cause. These organizations are part of the so-called civil society because these do not depend on any official governmental institutions and have no compromises with political interests. These organizations such as the Red Cross, the Red Crescent, Greenpeace, Amnesty International or Doctors Without Borders are dedicated to improving the living conditions of humans and the protection of the environment.
Being a member of the laboring classes made people more prone to criminal behavior. The term slum means. a crowded area with run-down housing and high poverty.