A good working relationship with your fellow players raises your chances to conclude trade agreements and peace treaties.The thumb indicates the other computer players' general attitudes towards you. In order to improve that attitude, click the thumb. This offers you the opportunity to pay tribute, or offer a financial inducement, to the other player. Use the slider to determine the amount you want to pay. The thumb shows how much the attitude will improve through payment. Now click the hand to make the payment. Clicking the right mouse button returns you to the diplomacy menu. In multiplayer mode the thumb is replaced by a coin. The relationships between players is either handled openly by the players, or through using the chat mode.