From March 1, 1781, until the Constitution took effect on March 4, 1789, the U.S. government operated under what document?

Which country lies between Cameroon and the Republic of the Congo and has been independent from France since 1960? From February 11 to July 16, 1858, the Virgin Mary was reported to have appeared 18 times at which French site? Between his 1950 and 1954 portrayals of which pirate did Robert Newton also play Blackbeard? Between July 1954 and August 1955, which Memphis label released five Elvis Presley singles? 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?