All of the following are examples of primary sources, except: a.
the above photograph taken at the time of the Civil war
b.
a letter written by a Union soldier to his wife just before he died in battle
c.
a comprehensive and well-documented Wikipedia entry on the Confederate States Army
d.
an eyewitness account of the Battle of Gettysburg

Atreatment for stuttering in which the person is asked to speak in a singsong fashion, usually with the aid of a metronome is

Why were so many distinctive cultures able to develop over time in asia?

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?