WORLD HISTORY

Detailed explanation-1: -So they wanted to live in more secure and segregated enclaves. To ensure their defence, they wanted to live away from the native people from whom they faced the threat of rebellion. So, they cleared many agricultural fields and pasture land and set up urban spaces called the Civil Lines .

Detailed explanation-2: -The vast open space, which is known as the Maidan or garer-math, around the Fort in Calcutta was left so that there would be no obstructions to a straight line of fire from the Fort against the enemy. The purpose of the Civil Lines was too the security of the Britishers.

Detailed explanation-3: -Civil Lines (archaically White Town) are the residential neighbourhoods developed during the British Raj for its senior civilian officers like Divisional commissioner and District magistrate. These townships were built all over the Indian subcontinent and were allotted to civil officers in the respective countries.

Detailed explanation-4: -The British always feared that disease would spread from the Black to the White areas. So they developed White Towns for themselves. These towns signified hygiene and cleanliness. The British took stringent administrative measures to ensure sanitation of these areas.

Detailed explanation-5: -Though they were designed to house the military, however with time they had public offices and residential spaces as well. The revolt of, and the fear of other such mutinies concerned the colonial authorities. Therefore, these were designed to be secure spaces for the residents.