to remove part of a text, film, etc. before it is published to edit something out the time when work began to be done more by machines in factories than by hand the Industrial Revolution a factory which produces something like cotton or paper a mill a building or area which is historically important to society a heritage site a product that you sell in another country an export a material such as cotton or oil in its natural state, before it is processed a raw material when two or more people or groups communicate with or react to each other interaction the system of forcing human beings to work without pay or basic human rights slavery the invasion, occupation, division and colonisation of African territory by European powers the Scramble for Africa small or not very important marginal