Why might the new countries be interested in joining the european union (eu)?

select all that apply.

provides economic benefits
provides goods are free to move across borders and boost economies.
citizens may live where they like, and boost the labor pool.
consumers have access to a wider range of better quality products.
the unified countries share military responsibilities.
companies are able to spead across eu countries.

Provides economic benefits

The unified countries share military responsibilities.

Explanation:

The European Union provides different excellent benefits to the countries that are allied or are part of the EU, one of the most important of those is the pacific period that has brought upon Europe and surrounding countries, the smaller countries have enjoyed a large period of union and peace by sharing military resonsibilities among them, that has helped the period of peace, and ir has economic benefits, for the other options, like working wherever they want, that is not possible in many situation.