C: The rehiring of workers who left the union. Just took the quiz! Hope this helps :)
The second one is the correct one
Amerigo Vespucci, (born 1454?, Florence, Italy—died 1512, Sevilla, Spain), merchant and explorer-navigator who took part in early voyages to the New World (1499–1500 and 1501–02) and occupied the influential post of piloto mayor (“master navigator”) in Sevilla (1508–12).
I think it's Pardon.
(Pardon me if I'm wrong ;)