John Milton, the renowned English poet, wrote 'Paradise Regained' as a sequel to his epic masterpiece 'Paradise Lost'. Both works are considered pillars of English literature.

Ayub National Park, located in Rawalpindi, is widely recognized for its extensive land area. It serves as a major recreational space and is frequently cited in educational literature as one of the largest parks in the country, surpassing many other urban green spaces in total square footage.

George Bernard Shaw received the Nobel Prize in Literature in 1925. While the Nobel committee cited his work as being marked by both idealism and humanity, his play 'Pygmalion' remains one of his most famous and enduring contributions to world literature, often associated with his recognition in academic and general knowledge contexts.

The Indus River is the longest and most important river in Pakistan. Hydrological studies indicate that the annual discharge of the Indus River system is significantly higher than that of the Nile River in Egypt. It is frequently cited in geographical literature that the Indus carries roughly twice the volume of water annually compared to the Nile.

The novel 'Angan' is a celebrated piece of Urdu literature. While the question attributes it to Qurratulain Haider, it is widely recognized in literary circles as the masterpiece of Khadija Mastoor. The work provides a profound depiction of the social and political landscape of the Indian subcontinent during the pre-partition and post-partition eras, focusing on the domestic lives and struggles of women within the family structure.

The classification of world governments often distinguishes between republics, where the head of state is typically an elected official, and other forms such as constitutional monarchies. While these numbers fluctuate based on political changes and definitions, the ratio of 147 republics to 46 other states is a commonly cited statistical representation in political science literature.

T.S. Eliot, a renowned poet and playwright, authored 'Murder in the Cathedral' in 1935. The play depicts the assassination of Archbishop Thomas Becket in Canterbury Cathedral in 1170. It is considered one of Eliot's most significant dramatic works, blending historical events with profound theological and philosophical themes, and remains a staple of 20th-century English literature.

The motto 'Unity, Faith, and Discipline' became the guiding principle for the newly formed state of Pakistan. Quaid-e-Azam Muhammad Ali Jinnah emphasized these values to foster national cohesion and progress. Historical records indicate that he highlighted these principles in his messages and speeches during the formative months of the country, with October 1947 being the widely accepted reference point in academic literature.

Margaret Mitchell is the American novelist who authored 'Gone With the Wind', which was published in 1936. The novel is set in Georgia during the American Civil War and the Reconstruction era, becoming one of the most popular and enduring works of American literature.

The Central Intelligence Agency (CIA) of the United States is frequently referred to as 'The Company' in popular culture, literature, and internal parlance. This nickname distinguishes it from other government entities and has become a widely recognized term in espionage fiction and media.