Question

what is the primary purpose of the european union?
to create a common currency
to allow more trade between countries
to encourage immigration from one country to another
to permit workers to seek employment in international areas

Explanation:

The European Union's foundational goal was to foster economic integration and cooperation, with the core aim of breaking down trade barriers to enable increased cross-border trade among member states. The common currency (euro), immigration flexibility, and worker mobility are secondary outcomes or supporting measures that stem from this primary trade and integration focus.

Answer:

to allow more trade between countries