Argentina mourned which former actress and first lady when she died of cancer in 1952?

Areology is the scientific study of which planet? Which royal title for Aretha Franklin was also the name of her 1992 anthology album? In which 1980 movie starring Dan Aykroyd and John Belushi did Aretha Franklin play the owner of a soul food cafe? Argentina claimed which islands in 1820, before Britain took them over in 1833 without firing a shot? Argentina declared its independence from which country in 1816? Argentina's longest international border, running for thousands of miles along the Andes, is shared with which country? Argentina's new 1949 constitution allowed which sitting president to run for re-election? The mineral argentite is an important ore of which metal?