Which river flows more than 600 miles through Montana and Alberta before joining the Missouri?

Thucydides began writing the history of which war when it broke out in 431 BC, and even served as a general in it? For his work developing nuclear-powered submarines, which admiral was known as the "Father of the Nuclear Navy"? Which singer co-wrote "Only the Lonely" and offered it to Elvis Presley before recording it himself? What is the name for the sun's crossing of the celestial equator, which happens twice a year? Lodgepole and ponderosa are types of which tall tree? Which Italian food brand, founded in Lucca in 1865, is best known for olive oil but also sells pasta sauces and frozen… Which cooking method roasts meat, such as a whole chicken, on a slowly turning spit? Difficulty breathing through the nose may be a sign that which dividing wall of cartilage and bone between the nostrils…