Answer:
He wanted to make it clear that he would try to get the vaccine out as soon as possible and try to help America become one again
and he says to all the people who didn't vote for him and did that this is a democracy and he will try to do his best to help all even the people who didn't like him
the tone he used was a firm affirmative tone like seriousness
Step-by-step explanation:
I literally watched it live on CBS your welcome :)