What is the next letter a z b y c x d

What was america's response to the holocaust before the war? what could the us have done differently?

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.

The current laws today protect the rights of people with disabilities.    a.  trueb.  false