Answer: Here it is
The Balkan War was caused by a combination of ethnic tensions, economic competition, and political ambition.
The unification of Germany and Italy was led by strong leaders, driven by nationalism, economic, and military factors and completed in 1871 and 1861 respectively.
South American countries opposed the idea of an American union due to fears of losing sovereignty and being dominated by northern nations, as well as longstanding rivalries and conflicts between the countries.
Emperor Tewodros II's decline was caused by resistance to his expansion policies, poor diplomacy, failed modernization efforts, and increasing authoritarianism.
The Portal mission, led by British diplomat Gerald Portal, aimed to resolve border disputes between Ethiopia and Italian colony Eritrea; the Gordon mission, led by British general Charles Gordon, aimed to negotiate with Emperor Yohannes IV of Ethiopia; the Heweet treaty, signed in 1884, established the border between Ethiopia and Italy.
The Battle of Adwa was a decisive victory for Ethiopia over Italy, which had a psychological impact on the people of Ethiopia and served as a reminder of African resistance to colonialism.
Lij lyasu, an Ethiopian regent, played a significant role in modernizing Ethiopia's military and improving diplomatic relations, centralizing the government, and preserving Ethiopia's autonomy during the Scramble for Africa.
Empress Taytu faced challenges from the Shewan nobility and Ras Michael due to her efforts to centralize the government and modernize the country.
Diarchy rule, a system of government where two people jointly hold power, was used in Ethiopia during the late 19th and early 20th centuries but it was not effective in preventing conflicts and struggles for power.
The kingdom of Harar, Shewa, Wolayita, and Kaffa were all powerful and independent kingdoms within Ethiopia known for their religious and cultural significance, military strength, agriculture, and trade respectively.