The "blank check" refers to what policy in the days before world war i? germany's commitment to support austria's attack on serbia. america's promise of aid to great britain. russian willingness to support serbia. germany's commitment to produce as many weapons as required.

The answer is letter b. Germany’s commitment to support Austria’s attack on Serbia. On,  July  5, 1914. Germany gave Austria-Hungary blank check assurance of their unconditional support on whatever plan of action Austria-Hungary will take to punish Serbia, for the reason of Serbia’s assassination of Austria-Hungary’s Archduke and his wife. 

question:  

the chart compares religious beliefs to us political party support.

religious beliefs and party support, 2012

this chart demonstrates that

a) more highly religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

b) more highly religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

c) more moderately religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

d) more moderately religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

answer: a.