Fill in the blanks with the words from the box to complete the sentences

border  - departure - transition - trade - controversial -  complex - relationship - referendum - sovereignty - leave - economy  - economic 

1. Brexit is the term used to describe the United Kingdom's ________ from the European Union.
2. The Brexit process began when the UK held a ________ in June 2016.
3. The majority of British voters chose to ________ from the EU in the referendum.
4. The main reasons for Brexit were concerns about ________ and the desire for more control.
5. The negotiations were challenging, and both sides had to deal with ________ issues.
6. One of the biggest challenges was the issue of the ________ between Northern Ireland and the Republic of Ireland.
7. However, there was a ________ period during which the UK still followed EU rules while both sides worked out their future relationship.
8. Brexit has had significant impacts on various aspects of the UK's ________, including trade and immigration.
9. Some people believe that Brexit will lead to new ________ opportunities for the UK.
10. Others are concerned about potential ________ consequences and disruptions to established relationships.
11. The Brexit process has been a ________ topic in British politics and society.
12. Overall, Brexit represents a major shift in the UK's ________ with the rest of Europe.