Answer:
Sikhism was established in India in the 15th century by Guru Nanak Dev Ji, and people of all castes and creeds quickly adopted it. Sikhism's teachings placed a strong emphasis on the oneness of God, the value of selfless service, and the rejection of caste and societal inequity.
The ten Sikh Gurus oversaw the expansion of the Sikh community's size and power. The fifth Guru, Guru Arjan Dev Ji, constructed the Harmandir Sahib (Golden Temple) in Amritsar, which became the spiritual and cultural centre of the Sikh people. He also wrote the Sikh holy book, the Guru Granth Sahib.
In order to repress the religion, Mughal and Afghan emperors persecuted and attacked the Sikh community during the 17th and 18th century. But to protect themselves and their religion, the Sikhs established the Khalsa under the command of the tenth Guru, Guru Gobind Singh Ji.
Step-by-step explanation: