How did the revolutionary war expand to the western frontier and the sea?

Because people ran and fought till it lead to the sea 

They had to form a new government, some states in the North outlawed slavery, they wanted more religious freedom, and they wanted more freedom.

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