In short, everything in the universe was worth worshipping and the One they did not worship was the One Creator. They were totally unaware of His unity and their need of Him. If He was recognised to all by anyone, it was through intermediaries who too were worshipped.
This was a dark period - the background - when the Sunnat Allah1 - the law of Allah for guidance and leaving anyone astray - repeated history and set in motion the natural law of reaction. The light of guidance shone and spread to the four corners removing the darkness of 'Shirk' (associated with God) and ignorance replacing it with faith and knowledge.
In such a gloomy atmosphere which had encompassed pre-Islamic Arabia, there glittered a light in the birth of Muhammad (PBUH). Never before or after any individual placed in such adverse circumstances has so completely purged his society of the multifarious deep-seated evils, giving it a new and healthier shape, and had so much influenced the course of contemporary and future history. Muhammad's (PBUH) practical teachings had transformed a savage race into a civilized who brought about the most wonderful revolution in the history of mankind. He was the benefactor of humanity and being the last and greatest of all the prophets, his teachings were universal and for all times to come.
As it were these ...