The correct answers are B) verbal warnings, C) economic sanctions and E) military force.
The League of Nations dealt with offending nations applying economic sanctions, verbal warnings, and the use of military force.
The League of Nations was created after World War 1. It had the purpose of ensuring that war never happened again. After the Treaty of Versailles, countries asked the League of Nations to maintain international peace. The League of Nations was based in Geneva, Switzerland. The League of Nations dealt with offending nations first, with a verbal warning or moral sanctions, condemning the action. Then, the economic sanctions that basically were to stop trading with the offending country, The last resource was the use of the military force.