 Conflict broke out in 1854 with the Crimean War with Russia, followed by the Indian Mutiny and a succession of colonial conflicts followed, culminating in the Boer War of 1899 - 1902.All of this provided the impulse for further development.Whilst the mills' function was to provide gunpowder for military use, either as a propellant for use in guns, or as a military explosive for demolition, etc., improvements effected there were a strong influence on private industry producing for civil activity - construction, mining, quarrying, tunneling, railway building etc.