The answer is B. Economic.
In sociology, the terms industrial, pastoral, and pre-industrial, are used to describe different types of societies that have existed throughout history. This categorization is based on the main economical activity of a society and there have been pre-industrial societies, and pastoral societies. However, the term economic society doesn't exist because every society, no matter its main economical activity, has had its own economic system.
Explanation:
a king is for nation and public and he should always listen to them
Answer:
<em>B. Humane methods of animal experimentation</em>
Explanation:
The regulations and guidelines of United States Department of Agriculture , Animal Welfare Act, Public Health Service (PHS), the Guide, and The Association for Assessment and Accreditation of Laboratory Animal Care International, or AAALAC, as applicable, requires organizations or entities that use animals in science, teaching, training, research or testing to provide instruction and training on humane methods of experimentation and research.