7994. There is no efficacious remedy to unemployment problem in a country which has no ideological convictions.

✅ The correct answer is option C.
Suitable : right or appropriate for a particular person, purpose, or situation.

Possible : able to be done or achieved.

Effective : successful in producing a desired or intended result.

Proper : denoting something that is truly what it is said or regarded to be; genuine.

Efficacious : (of something inanimate or abstract) successful in producing a desired or intended result; effective.

Synonym of Efficacious is Effective