The answer to this would be B. A history textbook.
A textbook is written by many people not just one wiht the person not around in that time peiod.
"a personal recod" is a autobiography and autiobiographys are written by the person who lived it so its a primary source. Therefor the answer is not a or c. Its not D because organztion records are writin recerds that makes them primary.
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Made killing at a distance more effiecient
Also it made arming, cothing and feeding soldiers cheaper than training them. So now young boys were recruited, armed, hopelessly undertrained and thrown into trench to die, hopefuly killing some opposing soldiers before that. It made soldiers a resource to be expended.
Politics ideas for example Voltaire and John Locke
It’s the first one I believe
<span>Regarding the use of the media, spin can best be defined as taking raw data or information and "manipulating" it or reporting it in a way that serves a certain media agenda. </span>