Complex sentence: Almost 60 per cent of the initial share offering was bought in the United States, with a third sold in Britain and the rest mainly in the Netherlands, but further capital was soon needed for the construction works and additional share and bond issues followed.
Split into simpler sentences: Almost 60 per cent of the initial share offering was bought in the United States, with a third sold in Britain and the rest mainly in the Netherlands. Further capital was soon needed for the construction works and additional share and bond issues followed.