The main objective of a 'Conjunction' is–

The correct answer is (b) To connect. Definition: A Conjunction is a Part of Speech that joins (connects) words, phrases, or clauses together. Types of Conjunctions: 1. Coordinating Conjunctions: join equal grammatical units — for, and, nor, but, or, yet, so (FANBOYS) Example: He is poor but honest. 2. Subordinating Conjunctions: join a dependent clause to a main clause — because, although, when, if, since, unless Example: He failed because he didn't study. 3. Correlative Conjunctions: work in pairs — either...or, neither...nor, both...and, not only...but also. The primary purpose of a conjunction is always to CONNECT different parts of a sentence. Source: Wren & Martin – High School English Grammar; A Practical English Grammar.