These are the two rounds of a debate in which participants can introduce new arguments. A rebuttal refers to presenting information that contradicts the opponent's arguments. In order for a speaker to do so properly, he most likely would need to introduce new arguments. Moreover, a counterargument refers to an objection to a particular premise. This would usually require the introduction of new information as well.
Can everybody that sees this go subscribe to my YT Channel KingEli322 please I'm trying to get to 1,000 subs before January 1, 2021 Please help me reach my goal