Final answer:
In the Muslim tradition, believers have a religious obligation to make a pilgrimage to Mecca at least once during their lifetime.
Step-by-step explanation:
In the Muslim tradition, believers have a religious obligation to make a pilgrimage to Mecca at least once during their lifetime, if they are able. Mecca is considered Islam's holiest city and is the birthplace of the Prophet Muhammad.
Learn more about Mecca