Complex sentence: It also joined the Miners' Federation of Great Britain, and this led to conflict as the SMF president, Robert Smillie, agreed to follow English unions in accepting wage reductions, against the wishes of secretary Chisholm Robertson and leading activist Shaw Maxwell.
Split into simpler sentences: It also joined the Miners' Federation of Great Britain, and this led to conflict. The SMF president, Robert Smillie, agreed to follow English unions in accepting wage reductions, against the wishes of secretary Chisholm Robertson and leading activist Shaw Maxwell.