Complex sentence: Throughout this time Drew was suffering from bronchitis and constant ill health, but in 1891 became president of the BLU and stood successfully for the Bradford School Board and in 1892 gave evidence to the Royal Commission on Labour.
Split into simpler sentences: Throughout this time Drew was suffering from bronchitis and constant ill health. In 1891 he became president of the Bradford Labour Union and stood successfully for the Bradford School Board and in 1892 he gave evidence to the Royal Commission on Labour.