Between his first retirement in 1977 and his final one in 1997, which boxer began selling "lean, mean" grilling machines?

Between May 1965 and March 1967, which boxer defended his heavyweight title nine times? Which strait lies between New Zealand's North Island and South Island? Between October 1946 and October 1949, which international organization held meetings in Flushing, New York? Which strait connects the English Channel with the North Sea? What tubes lead from the trachea into the lungs? "Betwixt them both, they licked the platter clean" ends a nursery rhyme about whom? Beurre d'Anjou, introduced into the U.S. in 1842, is a variety of what fruit? In French, "beurre" means butter. What is "beurre de cacahuètes"?