what the you know of the human society in the u.s., in 2013 usus was identified as the largest charity in the us 
What is usus?
Usus
Usus ( — usage; long-established rule, practice, custom) is the common usage of linguistic units (words, idioms, forms) in a particular speech community. It may be used as one of the criteria of laying out prescriptive norms for standard language usage.
Usus can be contrasted with both low-frequency usage and codified standard usage. The term is used to designate usage that has widespread or significant acceptance among speakers of a language, regardless of its conformity to the sanctioned standard language norms
Humane Society of the United States
The Humane Society of the United States (HSUS), based in Washington, D.C., is an American nonprofit organization founded by journalist Fred Myers and Helen Jones, Larry Andrews, and Marcia Glaser in 1954, to address what they saw as animal-related cruelties of national scope, and to resolve animal welfare problems by applying strategies beyond the resources or abilities of local organizations. In 2013, the "Chronicle of Philanthropy" identified HSUS as the 136th largest charity in the United States in