Complex sentence: A major problem brought by the corporate structure is a major shift in liability; although managers make large-scale decisions that can affect the lives of thousands or millions of people, they often do not bear full responsibility for any negative actions.
Split into simpler sentences: A major problem brought by the corporate structure is a major shift in liability. Although managers make large-scale decisions that can affect the lives of thousands or millions of people, they often do not bear full responsibility for any negative actions.