American Civil War: After ten weeks, the <a href="https://en.wikipedia.org/wiki/Union_Army" id="mwxw" rel="mw:WikiLink" title="Union Army">Union Army</a>'s <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Red_River_Campaign" id="mwyA" rel="mw:WikiLink" title="Red River Campaign">Red River Campaign</a> ends in failure.