My best guess would be (3) <span>It is upsetting to think that society punished these people who are now considered heroes.</span>
<span>A COMPLEX SENTENCE has one dependent clause (headed by a subordinating conjunction or a relative pronoun ) joined to an independent clause. 4. A COMPOUND-COMPLEX SENTENCE has two independent clauses joined to one or more dependent clauses.</span>
His son was going to war and Brown wanted his son to remember him.
