These hazards to security and trade revenues have helped remind the EU and the UK of the shared values they possess during uncertain times.
The EU perceived itself as diminished by Brexit in 2016. It indicated the loss of a large economy and its only major military force apart from France.
Regarding the post-Brexit UK, now liberated from EU membership regulations, it is also currently a significantly smaller influence on the global stage.
Additionally, nearer to home, the Labour government has come to understand that Europe is essential for fulfilling several key promises made to the UK public.
"The economy, defence, migration. . . there’s a European aspect to all of this, making EU relations crucial for the entire government agenda. Successes for this government are intertwined with Europe," states Mark Leonard, the director of the European Council on Foreign Relations.
Labour has consistently assured an "ambitious reset" of EU-UK relations.
There has been considerable shuttle diplomacy and symbolism since it secured victory in the general election during the summer.
Foreign Secretary David Lammy participated in a meeting of EU Foreign Ministers, Chancellor Rachel Reeves delivered a speech at a summit of EU finance ministers, and the prime minister visited Brussels for a discussion with EU Commission Chief Ursula von der Leyen.