What was the "secondary products revolution" and why was it so important to the spread of agriculture and the growth of cities and states?

Using animals, for things other than food such as transportation, and clothing. Important to the spread of agriculture and the growth of cities and states because it helped with trade, and collective learning, and transportation

The answer is c because the law is facts

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t