T-55, T-72 and T-90 battle are USSR/Russian origin battle tanks and are respectively based on first, second and third generation battle tank technologies.
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Possessing even a single nuclear weapon acts as a _________________.