Final answer:
Clear lines of responsibility in a unitary government can be an advantage during a natural disaster because they allow for quick decision making and allocation of resources. The central authority's effectiveness determines the efficiency of this system in crisis management.
Step-by-step explanation:
In a unitary government, clear lines of responsibility can be advantageous during a natural disaster due to the ability to quickly and easily navigate the decision-making process. This is primarily because there is one central authority with ultimate jurisdiction. Hence, the steps to be taken are clearly stated and known, allowing for swifter decisions and actions.
The advantage of a unitary system in these circumstances is that it can bypass regional or local governments, which may not have the resources or organizational capacity to deal with a major crisis effectively. This allows resources and assistance to be allocated more quickly and may result in a more efficient response to disasters. However, it's also essential to note that the efficiency of these clear lines of responsibility heavily rely on the proficiency of the central government.
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