In the United States, strong patent and copyright laws prevent rival companies from making imitation or ‘knock-off’ versions of name-brand products, whereas in some developing countries, many governments are unable or unwilling to remove fraudulent or ‘bootleg’ goods from the marketplace, even if they are produced illegally. The differences between these nations are primarily in the extent of which of the following selections? Select one: A. rule of law B. enumerated powers C. separation of powers D. just ad Bellum