What do historians do when using the historical thinking skill of evaluating interpretations

The thing that historians do when using the historical thinking skill to evaluate interpretations is: analyze the work of other historians to draw conclusion

Historical thinking skill refers to the ability to relate one historical evidence with the other in order to make sense the possible events that might happen in the past. This skill can be used to evaluate the interpretation of historian and analyze whether the conclusion made by those historians is unbiased and already represent the view of all parties involved in the event.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.