B) Authoritative but humorous
This is an 'adverb infinitive'. It is not a participle, either present of past, because it doesn't end in -ing. And it is not an 'adjective infinitive' since its meaning is adverbial, 'you must capture or trap the other king' IN ORDER 'to win a game of chess'. Adjective has to modify a noun, which isn't the case in this sentence.
Answer:
The answer is C: alliteration
The main reasons why the Germans<span> hated the </span>Treaty of Versailles<span> was because they thought it was unfair. </span>Germany<span> had not taken part in the Conference. The </span>terms were<span> imposed upon </span>Germany<span> – when </span>Germany disagreed, the Allies threatened to go to war again. according to--<span>www.johndclare.net/EA3.htm</span>