The correct answer would be "suppressing anti-Austrian groups and publications".
However, while Austria did not demand that Serbia "accept responsibility for the assassination" of the archduke, they did demand the Serbia accept an inquiry on the matter, despite the fact that they were already conducting an internal investigation. Serbia did not accept this condition.
The answer is false. Criminal cases focus almost completely on criminal issues.
Answer: it's A or B
Explanation: the rest don't make any sense
C. The Constitution establishes an Executive Branch headed by a President elected by the people.
That is your answer.
Hope it helped