B this is an obvious answer
<span>Every piece of evidence and every source must
be read or viewed skeptically and critically. and Each piece of evidence and source must be
cross-checked and compared with related sources
and pieces of evidence.</span>
Creo que la dinastía porque llevó a la formación de la 1ra dinastía en Egipto junto con una floreciente ciudad de Memphis.
B) only changes his or her opinion on a policy issue when a major event happens