Liberty reinvented after WWII from the reconstruction period to the progressive areas of the 1920s
Basically the Peace of Augsburg was temporarily settled the dispute between Protestant Lutherans and Catholics by allowing every Prince in the Holy Roman Empire to pick which of the two religions would dominate their lands, it did not include other denominations such as the Anabaptists.
The correct answer is the Northwest Passage.
The early explorers of northern North America were looking for a northern passage to the Pacific.
They were unable to find one because it did not really exist.
Today, ironically, the northwest passage is opening up due to climate change.