To select the members of a jury the names of the possible jurors are chosen at random form the database of citizens of the United States of America, the first step is forming that list of possible jurors out of a database, then randomly choosing from that list and summon them to court in order to be interrogated to see if they are fit to serve as jurors.
Yes, these protests influence and built pressure on the Nixon to end the war. So for that reason Richard Nixon made a policy known Vietnamization. in this policy of Vietnamization, the US government first trained the south Vietnamese in order defend itself against north Vietnamese and in the next phase, the US government bring back all their soldiers from the Vietnam.