Final answer:
The correct answer to which civil liberty is restricted by laws limiting access to private property, including beaches, is freedom of movement. This limits individuals' rights to travel within a country's territory and to natural resources.
Step-by-step explanation:
The question asks which civil liberty is restricted when countries have laws that limit access to private property, including natural areas such as beaches. The correct answer to this question is a. Freedom of movement. This term refers to the right of individuals to travel from place to place within the territory of a country and to leave the country and return to it. When access to naturally occurring resources or areas is restricted by law, it can limit the ability of individuals to move freely to and within those spaces.