Answer:
Letters and publications written by Nazi leaders before the Second World War.
Explanation:
This answer is correct because this historian is searching for the motives of these perpetrators, letters and publications can tell their thoughts and conversations.
The bed (also as can be called<span> the </span>river<span> bed) is only on the </span>bottom<span> of the </span>river<span> (or another or other body of water). brackish. Beackish water is water that is much saltier than </span>river<span> water but less salty than sea water channel though. A channel is an only area that contains flowing water confined by the banks.
Hope that this would helps you!
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This would be Calvin Coolidge. Coolidge meant well, but left business and practically all financial matters to the whims of the market, which led to the Great Depression.
