Scottish-born John McDouall Stuart's 1861–62 south-to-north crossing of which continent won him a prize?

Samoans live in the Samoan Islands, while Samians live on Samos, an island belonging to which country? The poet Sappho lived on which Greek island? Which country borders Saudi Arabia to the south and Oman to the east? Martin Scorsese played Vincent van Gogh in a segment of which Japanese director's film "Dreams"? Seen on talk shows with her furry friends, who was the goodwill ambassador for the San Diego Zoo? Senator J. William Fulbright's book "The Arrogance of Power" proposed an 8-point plan to end which conflict? On September 30, 1899, New York City held a huge parade for which admiral, home from his victory at Manila Bay? Which author departed from her theme of Chinese-American mothers and daughters with 2005's "Saving Fish from Drowning"?