Preclusion (noun)

1. The act of preventing or making something impossible.
2. The state of being prevented or excluded.
3. The act of excluding or prohibiting something from happening.

Origin:

Late latin praeclusiō, from latin praecludere to shut out.

Examples:

1. The preclusion of any other possible solutions was a problem with the research.
2. The preclusion of their participation was a violation of their rights.
3. The preclusion of foreign investment was a major obstacle to economic growth.
4. The preclusion of evidence in court was a controversial decision.
5. The preclusion of their admission to the university was a result of their poor grades.