It would be "Otto von Bismarck of Germany" that best defines a Chancellor, since this was Bismarck's official title for many years, and was a title held by Hitler as well.
Freeport Doctrine<span> was Stephen Douglas's doctrine that, in spite of the Dred Scott decision, slavery could be excluded from territories of the United States by local legislation. Although propounded earlier and elsewhere, this solution of the apparent inconsistency between popular sovereignty and the Dred Scott decision.
Hope this helps!
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Chemical weapons
Both sides developed lethal forms of chemical welfare that resulted to death of thousands in the trench war.Germany was the first to employ chemical weapons and it is estimated that over 10,000 tonnes of chemical gas, lethal and poisonous was blown.
Wanted a chief exective who would be a diplomat among world leaders