Question

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

Answer 1

Similar events and trends often take place in different places during the same periods.

Answer 2

Answer:

Similar events and trend often take place on different places during the same periods.

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.