The answer to the question is B
Ferdinand Magellan was the first (at least his crew) to successfully lead an expedition to circumnavigate the world. (he died on the voyage, but ~3 sailors made it back i believe, forgot the number of sailors, but very little)
hope this helps
It was historically significant because it was a victory for the workers. It was established by the supreme court that labor unions are not and can't be forbidden and that workers can unionize to protect themselves. This was important worldwide also because now workers from other countries saw that it was possible to win something like this.
The answer is probably B. Because Roanoke and the fleet were after colombus found America which is how they knew where to send the ships
