To be successful in a product liability action based on the plaintiff must prove that the defendant breached a duty of due care to the plaintiff and thereby caused the plaintiff's injuries.

negligence

Explanation:

In order to be successful in a product liability action based on negligence the following elements must be proved: Duty ,Breach of Duty ,Cause in Fact ,Proximate Cause  and Damages(plaintiff)

answer; i believe the correct answer is (business necessity defense;

the answer is     d. in our global economy, most job growth will be in services, but manufacturing jobs will exist, too.