Misc: In 1841---------- , painter, born.?

Questions

M&M's stands for the last names of Forrest Mars, Sr. then candymaker and his associate Bruce---------- .?

M&M's were developed so soldiers could eat the candy without getting their fingers---------- .?

Mae West was once dubbed 'The statue of---------- . ?

---------- is an acronym for Morte Alla Francia Italia Anela, or Death to the French is Italy's Cry?

MAFIA is an acronym for---------- , or Death to the French is Italy's Cry?