Final answer:
The type of economic activity that would most likely be found in a newly industrialized country with commercial industry is the secondary sector, which involves processing raw materials through manufacturing to create finished goods.
Step-by-step explanation:
The type of economic activity that would most likely be found in a newly industrialized country with commercial industry is the secondary sector. This sector involves the processing of raw materials through manufacturing to create finished goods. Examples of secondary sector activities include manufacturing iron pipes, gasoline, cornmeal, and fish sticks.