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Hi! A humane society is a group that works to stop suffering, either human or animal, due to cruelty or other reasons. 
ya thats humane society is now more more important to the animals
That's true that in many countries the term is used mostly for societies such as the SPCA that prevent cruelty to animals. 
like this there are many spca are currently activity work on countries
Yes, like the British Royal Society for the Prevention of Cruelty to Animals or RSPCA), set up in Victoria in 1871. 
the rspca is the main responsible to animals in british
Yes, then there's also the RSPCA Australia, formed in 1981.