The answer is Political model.
The family system theory which mainly focuses on emotions has received criticism for lack of empirical data to back its approach.Another factor has to do with the unwavering neutrality of the practitioner. Nevertheless, more and more data to back up its application has been piling up.
Answer:
c. Includes federal, state, and local government purchases of goods and services
Explanation:
The Government Service comprises of the federal, state and local government . The purchases carried out by these tier are some of the services carried out by them.
As part of the function of the government, they make such that purchases within the jurisdiction of the government are carried out promptly and accurately.
People began to domesticate animals and crops...
and as their tools became better they were able to grow crops and livestock
