Answer:
Firms at the greatest risk of expropriation are in extractive, agricultural, or infrastructural industries such as utilities and transportation.
Step-by-step explanation:
Governments are more interested in this kind of business, as often, in developing countries, extractive and agricultural create genuine richness, usually more than others as retail or manufacturing, for example. On the other hand, regarding utilities and transportation, expropriation is made as a consequent of populism measures and not for wealth creation.