Question

Before lean approaches could be implemented successfully, many North American companies needed to make which changes

Answer 1

C. Cultural and organizational changes

Step-by-step explanation:

The many northern american companies required to make the cultural and organization changes prior to the approaches i.e. lean that implemented successfully as if we bring the changes like cultural and organizational one so it would become very challenging task

Therefore as per the given situation the option c is correct

And, the rest of the options are wrong