The International Court of Justice mainly has jurisdiction to

The International Court of Justice mainly has jurisdiction to
A: to solve dispute between countries
B: to solve criminals and individual issues
C: Both A and B
D: None of these

The International Court of Justice adjudicates legal disputes submitted by states and issues advisory opinions to authorized bodies. It does not try individuals or criminal cases. Those fall under the International Criminal Court or national courts. Therefore its jurisdiction is between states which fits option A.