| SOYUZ | It means "union" in Russian |
| NEWSOUTHWALES | Innovative opposition to union in America, in Britain and in Australia (3,5,5) |
| TEXAS | It joined the Union in 1845 |
| COLORADO | It joined the Union in 1876 |
| SWEDEN | It joined the European Union in 1995 |
| ASEXUALLY | Vote dividing European Union in a journey that's without intimacy in partnership (9) |
| VIRUS | Corrupting influence in Rugby Union, in Six Nations, ultimately (5) |
| BEHAVIOUR | I have angered old union in Britain - it's my conduct (9) |
| NUPTIAL | Head of union in revised plan - it is relevant to unions |
| OAU | This pan-African body established in the 1960s was replaced by the African Union in 2002 (1,1,1) |
| KALASHNIKOV | Automatic rifle first produced in the Soviet Union in 1949 (11) |
| KALININGRAD | Russian port, formerly a main German naval base on the Baltic, ceded to the Soviet Union in 1945 (11) |
| AFRICA | Country that became a Union in 1910 and a Republic in 1961 (5,6) |
| SOUTH | Country that became a Union in 1910 and a Republic in 1961 (5,6) |
| CHURCHWEDDING | Could be the means to a marriage of convenience for those joining union in the presence of the Father of the Chapel (6,7) |
| CHERNOBYL | 2019 miniseries on HBO based on the nuclear disaster that happened in the Soviet Union in 1986 |
| MARRIAGEKNOT | It is tied to make a union in India (8,4) |
| UNISON | Largest trade union in the UK founded in 1993 (6) |
| EQUITY | Actors' trade union in the US founded in 1913 (6) |
| STEELWORKERS | USW = United ___ (North America industrial union, in Canada the national office is in Toronto) |
