Find the correct order of prepositions for the following sentences :

Nelson Mandela was imprisoned ------ nearly three decades ----- his fight ------ white majority rule.

"Nelson Mandela" is the subject of the sentence. This is the person the sentence is about. "was imprisoned" is the main verb phrase. It describes the action Nelson Mandela experienced.

• "for nearly three decades" is a prepositional phrase that provides additional information about the duration of the imprisonment. "For" is the preposition connecting the phrase to the verb "imprisoned."

• "for his fight" is another prepositional phrase that explains the reason or cause for Nelson Mandela's imprisonment. Again, "for" is the preposition connecting this phrase to the main verb.

• "against white majority rule" is yet another prepositional phrase that further specifies the nature of Nelson Mandela's fight. "Against" is the preposition in this case.

So, when combined, the sentence conveys that Nelson Mandela was imprisoned for nearly three decades for his fight against white majority rule. Each prepositional phrase adds specific details to the overall meaning of the sentence.