Why is it useful for historians to base certain studies on the analysis of geographic regions

Explanation:

Remember that historians seek for generalisations, as scientist. If they don'r achieve that, so history would not be considered as science.

In order to systematise information (as in every science), they need to segment information by periods of time and study different locations, this way they are able to look for patterns, and there would be focus their special attention, because those patterns are usually specific phenomenons.

he armenian genocide, also known as the armenian holocaust, was the ottoman government's systematic extermination of 1.5 million armenians, mostly citizens within the ottoman empire.

explanation:

(1)representation based on state population (2)all states have equal representation apex