<div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">Spoiler: Click to Show/Hide</div><div class="spoiler_body">By the way, the Toph/Sokka plot (and really the whole story) is a setup/transition for Korra. It establishes bender families with multiple types of bending within them, metalbending being popularized, and if I recall correctly, that city ends up becoming Republic City.</div></div>