Answer - <span>The open spaces and opportunities for independence appealed to many.
In the sentence above, the</span> individual subjects of the original two sentences (i,e "The open spaces" and "<span>The opportunities for independence"</span>) are combined<span> to give a </span>compound subject. They <span>are joined by the coordinating conjunction, "and".
Other coordinating conjunctions that can be used in forming a compound subject are: "or", "neither", and "nor". </span>