List the countries that make up the United Kingdom.
The countries that make up the United Kingdom are:
1. England 
2. Scotland
3. Wales
4. Northern Ireland.
Complete the following task based on the instruction and optional input provided.### Instruction:
List the countries that make up the United Kingdom.

### Output:
The countries that make up the United Kingdom are:
1. England 
2. Scotland
3. Wales
4. Northern Ireland.