The speech which does not sound spontaneous is B Manuscript delivery.
In a manuscript speech<span>, the speaker reads every word from a pre-written speech. This seems easy enough. </span>
I believe the answer is A
The synonym of glib would be insincere...
if you look up the definition in the dictionary it tells you that glib refers to someone that is insincere
hope this helps :)
Seward is brainwashing Northerners into believing slavery should be abolished.