1. According to law, a US citizen can claim ownership of any foreign, uninhabited island, as long as it contains what?
From Quiz Stupid, but Real Laws!
Answer:
bird droppings
"TITLE 48 - TERRITORIES AND INSULAR POSSESSIONS
CHAPTER 8 - GUANO ISLANDS
Sec. 1411. Guano districts; claim by United States
Whenever any citizen of the United States discovers a deposit of guano on any island, rock, or key, not within the lawful jurisdiction of any other government, and not occupied by the citizens of any other government, and takes peaceable possession thereof, and occupies the same, such island, rock, or key may, at the discretion of the President, be considered as appertaining to the United States."