<span>Laughing in the face of danger, the cowboy jumped from the horse.</span>
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"between the two countries"
A prepositional phrase needs to contain a preposition, in this case it would be "between". As well it needs to modify the sentence and it should mention the object of the sentence. So "between the two countries" is correct.
Answer:
Clause.
Explanation:
It contains a subject, "He" and a predicate/verb, "studied."