Correct Answer : Option (B) - USA
As per the recent report by Stockholm International Peace Research Institute (SIPRI), the USA is the world’s largest military spender in 2020.
The top five spenders are the China, India, Russia and the United Kingdom, other than the USA. These five countries together accounted for 62 per cent of global military expenditure. An increase of 2.6 per cent in military spending was recorded in the year.