Corporate structure may be defined as

The ways a company's  business units are organised

Explanation:

An organization structure refers to the way a company organizes its different departments or business units to accomplish its objectives. Each department performs its distinctive role, but they all work towards a common goal. Organization structures differ significantly from company to another.

The organization structure defines the ownership, authority, responsibility, and control in a company. The structure shows how authority and responsibility flow from shareholders to the junior officers. It also illustrates how departments and roles are interrelated.

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the correct answer is d. wealthy colonists to take care of the less fortunate. hope this