Why do we need <br />

Question

<br> itself dows the exact same thing

Answer 1

It depends on your desired level of compatability.

Answer 2

Programmers don't tend to add extra characters "just to look better". You will likely not notice a difference unless you are specifically testing for it in an environment that would require it.
https://en.m.wikipedia.org/wiki/XHTML#Backward_compatibility

Answer 3

so like just make it look better or what because i dont notice any differnce in what they do