Many people are     1     (confuse) about what the different names of the UK mean. So it is necessary to know a little about its history. Between the 16th century and 19th century, Wales Scotland, and the Kingdom of Ireland were joined to the Kingdom of England. In the 20th century, the     2     (south) part of Ireland broke away from the UK, which led     3     the full name we have today: the United Kingdom of Great Britain and Northern Ireland. People from the UK     4     (call) “British”. The UK is also referred to as Britain or Great Britain. So this is     5     the UK has such different names.