Is the ownership of one person by force.

- Slavery.

Explanation:

Slavery is exemplified as the social practice in which the humans are owned as material or property forcefully. In such a practice, the humans(especially laborers) were brutally exploited and oppressed for economic gain and owned as a commodity by the owner who possessed all the rights to afflict and suppress them and their rights inhumanly. Thus, 'slavery' would be described as the system of owning a person(or many) by force and power.

d. cassius cannot believe that a weakling like caesar has become so great.

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