Hindus have been around for more than 10000 years, they traded with Egyptians (now muslims), Romans (became catholics),Persians (became muslus) Myas and Incas -(mostly gone). etc all gone but Hindus are still going strong, Under the concept of 3 prime gods - Creator (Bramha) , Keeper (Vishnu), Destroyer (Shiva) . AKA Hindus ... Hindus have many subsets and secondary religions like Buddist and Jain , Sikh etc.. that draw from hindus thus are complimentry. Or a core religion that has ability to give birth to other religions.
