Respuesta :

If this is a true or false question, yes this is true since information of the periods of time in the A.D. era are still not 100% accurate, and there's many questions regarding the actual events leading up to others, and questions about specific resources/items that were able to be recovered FROM those time periods. 

Historians attempt to answer the  

who

a0,  

what

a1,  

when

a2,  

where

a3, and  

where

a4 questions of history.