As the european powers grew more industrialized their colonies became very important as sources of

Their colonies became sources markets and resources. Many European countries embarked on acquiring colonies in Africa and Asia to gain more resources for their industries as well as create new markets and acquire wealth.  They used the manpower in these colonies to power their industries.

based on this information, i would advocate against sweatshop labour because it exploits workers in unsafe working conditions with little pay. though sweatshops produce inexpensive goods, they harm the environment, workers, and often use unsafe materials to make consumer goods.

there were abundant sources of fuel nearby