Coach perry told tyler he had previously coached basketball when he was on the swim team
which revision clarifies the confusing pronoun in this sentence?
when he was on the swim team, coach perry told him that he had previously coached basketball.
coach perry told him he had previously coached basketball when tyler was on the swim team.
when tyler was on the swim team, coach perry told him that he had previously coached basketball.
he told tyler he had previously coached basketball when tyler was on the swim team.

The revision that clarifies the confusing pronoun in this sentence is "Coach Perry told him he had previously coached basketball when Tyler was on the swim team".

Explanation: The confusing pronoun in the sentence provided is the "he" that comes after "when" since the reader cannot possibly know if "he" refers to "Coach Perry" or "Tyler". The only sentence that clarifies this confusing pronoun is the second one ("Coach Perry told him he had previously coached basketball when Tyler was on the swim team") as "he" has been replaced with the noun "Tyler" and, unlike what happens in the first and third revisions, the meaning of the sentence has not been changed. The fourth revision does not clarify the confusing pronoun either because "Coach Perry" has been omitted.  

explanation:

ward, and charles cooley, felt that social conflict was a process that should be in exploring social processes and social problems. conflict as a functional social process." 

the answer is: the start of world war i, and russia’s hopes of benefiting from it

during world war i russian joined due to in their current crisis they were being supported by france and the war was already declared to them by germany, they needed to maintain their political goal and leadership role in the balkans, and is the same feeling that this excerpt evoke the eager of maintain the land value.