<html><head><title>World wide news</title></head><body><h1>Hackers Strike Again</h1><p>A hacker group has replaced government websites with livestreams of cats. While some praise their acts, many are against them.</p><p><em>"We need more cats in government"</em> <br> - says local cat lady. </p> </body> </html>]]>
Looks much better, doesn't it?
The correct answer is <br> since line breaks are empty tags, meaning that they don't have a pair.