How have military simulations changed since the 1960s? In the 1960s, they were more complicated to operate but less expensive.

In the 1960s, they were less complicated to operate and less expensive.

In the 1960s, they were more complicated to operate and more expensive.

In the 1960s, they were less complicated to operate but more expensive.

In the 1960s, they were more complicated to operate and more expensive.  

Explanation:

Military simulations may be defined as the simulations where the theories of the warfare are being tested and they are refined based on the tactics and situations without the need of any actual hostilities. It is also informally known as war games.

In the early 1960s, military simulations or the gaming future wars are more complicated and hard as at time the concept of modernization started to evolved and modern computers were being developed. There were very few such software that can provide the exact situation of a war and provide training to the soldiers.

Also they were highly expensive during 1960s as there were very less of them and only few countries in the world could develop such simulations.

Therefore, in the 1960, the military simulations were more complicated and more expensive.

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posting this in wrong category will result in people seeing it who won't know the answer.