Answer:
He was the pioneer for surgical face masks
The answer is Galileo, however, a scientist much earlier then Galaleo, named Anaxagoras also discover this. However, I believe credit is given to Galileo.
B) I believe it would be this because America was founded on everyone having the freedom to vote and have the same rights, but I could be wrong just because it took awhile for all the laws we have today to be put in, but out of these I would say B)
Nu am inteles nimic din ceea ce spui