The Important Han Innovations Include the Development of

question 60

Multiple Choice

The important Han innovations include the development of

• A) the horse collar, the watermill, and the crossbow.
• B) the saddle, penicillin, and bronze.
• C) alcohol, the wheel, and glass.
• D) the canal, the three-field system, and concrete.
• E) the wheel, the stirrup, and the pulley.

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Definitions:

Preexisting Duty

An obligation that a party is already legally bound to fulfill, which cannot serve as consideration for a new contract.

Bilateral Contract

An agreement between two parties where each promises to perform an act in exchange for the other's performance.

Unilateral Contract

A contract where one party makes a promise in exchange for an act by another party, becoming binding upon the performance of the act.

Past Consideration

In contract law, a benefit or service previously performed and therefore cannot serve as consideration for a current contract.