Whose ballet caused a riot its opening night because the harmonies, melodies, and rhythms were so unconventional? a. scott joplinb. charles ivesc. charlie parkerd. igor stravinsky?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.