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In any and all collisions of short duration and for which it is true that no external forces act on the collision participants,
Political Scientists
Scholars who study the origin, development, and operation of political systems and public policy.
Government
The organization, or group of individuals and institutions, that has the authority to make and enforce laws and decisions for a specific community, region, or country.
Private Goods
Goods that are characteristically excludable and rivalrous, meaning their use is limited to paying customers and one person's consumption prevents another's.
Public
The general population or community at large, often the recipient of information, services, or goods provided by governments or organizations.
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