The answer is A. If I’m wrong, sorrrry!
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.
3.)3. Foreshadowing hints to readers that something is of significance and gets them interested.
4. Exposition helps readers understand the background of the story
Answer:
if all the cattle are in kraal then none of them are out.
