The British authorities were annoyed by these movements, especially among the intellectuals through their organization known at the time as the "Graduates' Congress."

Chapter Four: This chapter dealt with the development of the Sudan Defence Force in terms of numbers and equipment in preparation for the stage of expelling the Italians from East Africa, and the period of the Emperor's stay in Sudan, which lasted for seven months before he entered his country as part of the liberation campaign, and aspects of his political activity in organizing resistance and his meetings with British officials and Sudanese leaders. Then the details of the campaign to liberate Eritrea and northern Ethiopia and the role of the Sudan Defence Force in it, especially the Battle of Keren, and the details of the campaign to liberate western Ethiopia and the efforts of the Sudanese forces during it until they escorted the Emperor to his capital.

Chapter Five: The research in the fifth and final chapter addresses the effects and results that the liberation and resistance war stage brought about for the future of Ethiopia internally and externally, especially its relationship with Sudan and the role played by the Ethiopian elite who were associated with Sudan during the days of exile and resistance in Ethiopia's political future, and the role of the elites and political forces that became acquainted with the Emperor in Sudan in the subsequent periods of the relationship between the two countries.

Conclusion: In the conclusion of the research, the important points raised by the research and the general development of events were briefly highlighted, and the conclusions reached and the recommendations believed to have stemmed from the research were included.

Major Obstacles to the Research: Among the obstacles I faced in preparing this research were the scarcity of Sudanese sources and references on the events of that period, the omission by most foreign sources and references of Sudan's role and positions in the resistance and liberation war, in addition to the loss of unpublished memoirs of officers of the Sudan Defence Force from the Military Research Branch, and the difficulty of accessing Sudanese daily newspapers published during that period, and similar reluctance by some families of leaders and commanders who were associated with the research topics to reveal and allow the researcher access to the documents, memoirs, and belongings they possessed related to the research topic.