Over 250 ethnic groups made a unified indirect-rule system unworkable.
Many traditional rulers refused cooperation, undermining British administration.
Britain lacked funds for adequate infrastructure, education, healthcare, fueling discontent.
20th-century nationalist movements demanded self-determination, leading to 1960 independence.
Cold War dynamics and anti-colonial trends weakened British imperial grip.
Indirect rule collapsed under diversity, resistance, resource gaps, nationalism, and global change.