India
Pakistan
During the mid-1990s, relations between India and Pakistan became tense over the northern territory of Kashmir. Both countries have conflicting claims over the region, leading to sporadic border clashes and military standoffs. The situation has persisted as a long-standing issue in the region.
Relations between US and Soviet Union during Cold War Relations between US and Vietnam during Vietnam war Soviet relations with PRC
There are no conflicts between Muslims and Sikhs. Historically, there were wars between the Mughal Empire (which was an Islamic Empire in India) and the Sikhs who revolted and proceeded to create their own empire. There was also violence between Sikhs and Muslims and Hindus during the Independence of India and Pakistan. There is also mild anti-Sikh feeling in Pakistan since Sikhs maintain good relations with Ahmadis, who are are considered Muslim heretics by Sunni Pakistanis. However, general relations between the groups are relatively good. The recent relaxing of tensions between India and Pakistan has allowed for cross-border religious tourism.
During the mid-1990s, India and Pakistan's relations became strained due to ongoing tensions over the disputed region of Kashmir. Both countries claimed Kashmir as their own and were engaged in military conflicts and political disputes over the territory. Efforts to resolve the issue continue to this day, with intermittent periods of heightened tensions and diplomacy.
Cyril Radcliffe
the slave trade caused the collapse of relations between the kongo kingdom and portugal.
The Cold War
Relations were difficult and often tense.
the easing of tensions or strained relations (especially between nations).
The French aided relations between the US and China by acting as a middle man. During disagreements, they were able to bring both parties together despite their fundamental differences.