The first sentence is a declarative sentence which show an initial thought. The second is an interrogative which questions the thought. And the last is an exclamatory sentence which reaffirms the initial thought.
After his arrival in Britain, Hastings and his interests were largely ignored by the British businessmen. Through this hyperbolic remark by Hastings, Twain tells the reader that English society at the time was generally unsympathetic toward foreigners.
The capitalised word which is "SCORE" functions in the sentence as the direct object. By definition, a direct object is "<span>a noun phrase denoting a person or thing that is the recipient of the action." Therefore from the example, the word "score" denotes the transitive verb "showed." in the sentence.</span>