The International Court of Justice, also known as the World Court, is the principal judicial organ of the United Nations. Its role is to settle legal disputes between states and to give advisory opinions on legal questions referred to it by the General Assembly, Security Council, and other UN organs and specialized agencies.

One of the essential functions of the International Court of Justice is to uphold agreements between states. These agreements can be in the form of treaties, conventions, protocols, or other international instruments. If one state feels that another state has violated an agreement, it can take the matter to the International Court of Justice.

The International Court of Justice has jurisdiction over disputes arising from bilateral and multilateral treaties. When a dispute arises between two or more states, they can submit the dispute to the International Court of Justice for a binding decision. The court can also give advisory opinions on legal questions referred to it by authorized UN organs and specialized agencies.

To bring a case before the International Court of Justice, the states must agree to the court`s jurisdiction. This can be done through a clause in the treaty or a separate agreement. Once the parties have agreed to the court`s jurisdiction, they must submit their arguments and evidence to the court. The court then holds hearings and issues its decision, which is binding on the parties.

The International Court of Justice plays a critical role in ensuring that states uphold their international obligations and agreements. It provides a peaceful and lawful way of resolving disputes between states, which helps to prevent conflict and maintain international peace and security.

In conclusion, the International Court of Justice is an essential institution for maintaining international agreements and resolving disputes between states. Its jurisdiction over bilateral and multilateral treaties, as well as its advisory role, helps to ensure that states adhere to their international obligations and uphold their commitments. As the world becomes more interconnected, the role of the International Court of Justice will become increasingly important in ensuring that states work together in a peaceful and lawful manner.