"Uchigatana" became popular for several reasons, the "uchigatana" was more convenient to wear and did not get in the way of using a polearm as much as a "tachi", also the frequency of battles fought on foot and the need for speed on the battlefield, were major reasons for the "uchigatana" being rapidly accepted and indicated that battlefield combat had grown in intensity. Since the "uchigatana" was shorter than the "tachi", it could be used in more confined quarters, such as inside a building. Further, tactics of the period dictating unseating mounted soldiers by cutting off the mounts legs, hence mounted combat was seen as inherently disadvantageous.