The primary purpose of administrative laws are:
a to protect citizens' rights
b. to define structure and power of government agencies
c. to ensure basic human rights in international treaties
d. to maintain order and protect citizens

The primary purpose of administrative laws is Option B: to define the structure and power of government agencies.

Explanation:

Administrative laws help to define the different agencies and institutions that comprise governments and they also establish the correct procedures for the bureaucratic functions of the government. Government agencies are generally involved in enforcing or applying rules, and the enforcement of specific regulations like education policy, housing policy, and environmental policy as examples.