All of the following examples of unemployment are correctly paired with their causes except

frictional: retired people and volunteer workers
structural: new technologies make certain skills unneeded
cyclical: businesses produce more than they can sell and lay off workers
seasonal: professional athletes during their off-season

Frictional: retired people and volunteer workers.

Explanation:

Frictional unemployment is a constant in any economy. It´s caused by temporary employment transitions, as workers and employers may lack some information. For example, someone looking for their very first job may not have enough resources to find a suitable job and ends up not taking other employment, temporarily holding out. On the other hand, a business may refrain from hiring new employees if they think there´s no one enough qualified available when there actually is.

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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explanation:

it provided for equal trade rights among nations in china.