Final answer:
Muslims take a pilgrimage to Mecca, known as Hajj, as a religious duty and expression of unity and devotion to Allah.
Step-by-step explanation:
Muslims take a pilgrimage to Mecca, which is known as Hajj, as it is considered one of the Five Pillars of Islam. It is a religious duty for all Muslims, if physically and financially able, to make this journey at least once in their lifetime. The pilgrimage to Mecca is not for trading or vacation purposes but rather as an expression of unity and devotion to Allah. It is a time for Muslims to reaffirm their faith and seek forgiveness for their sins.
Learn more about The significance of Hajj in Islam