Read the passage and answer the five questions that follow.

The Constituent Assembly deliberated upon the Indian Constitution, which came into effect on 26 January, 1950. It has the dubious distinction of being the longest in the world. But its length and complexity are perhaps understandable when one considers the country's size and diversity. At Independence, India was not merely large and diverse, but also deeply divided. A Constitution designed to keep the country together, and to take it forward had necessarily to be an elaborate, carefully-worked-out, and painstakingly drafted document. For one thing, it sought to heal wounds of the past and the present, to make Indians of different classes, castes and communities come together in a shared political experiment. For another, it sought to nurture democratic institutions.

Why is the Constitution of India described as the longest document in the world?

The country size and diversity impacted the Constitution length.

The correct answer is Option (4) - The country size and diversity impacted the Constitution length.

Out of the options provided, the reason the Constitution of India is described as the longest document in the world is:  The country size and diversity impacted the Constitution length.

As per the passage:

The Constituent Assembly deliberated upon the Indian Constitution, which came into effect on 26 January, 1950. It has the dubious distinction of being the longest in the world. But its length and complexity are perhaps understandable when one considers the country's size and diversity.