Detente (noun)

1. A relaxation of tension or strained relations, especially between countries.
2. A reduction in political or military tension.

Origin:

Late 19th century: from french détente, from détendre "to relax".

Examples:

1. The two countries signed a treaty to bring about a detente in their relations.
2. The detente allowed for increased trade and cultural exchange between the countries.
3. The detente helped to ease tensions in the region and avoid a potential conflict.
4. The detente was seen as a positive step towards a more peaceful world.
5. The period of detente was short-lived as new tensions soon arose.