Complex sentence: After Federation was imposed, the Nyasaland African Congress promoted a campaign of non-violent resistance, which may have been a factor in the Cholo riots in August 1953, although there were also local land issues.
Split into simpler sentences: After Federation was imposed, the Nyasaland African Congress promoted a campaign of non-violent resistance. This may have been a factor in the Cholo riots in August 1953, although there were also local land issues.