In the following passage, some of the words have been left out and labeled as 1 to 5. Read the passage carefully and select the correct option against the given label which can make the sentence complete.

The country’s internal security architecture continues to be fragile. In the wake of the 26/11 terrorist attack in 2008, a    (1)    of measures were taken to strengthen the police forces,    (2)   coastal security and    (3)    the deployment of National Security Guard. However, after that, a   (4)   of sorts seems to have set in, mainly because there has been no major terrorist attack since then. Whatever upgradation of police has happened during the    (5)    period has essentially been of a cosmetic nature.