A functional text is a text to fulfill a certain function, such as instruction manual or description of getting somewhere. A dialogue would be too confusing and redundant for this purpose; the best functional text would simply describe the information it needs to provide in a clear manner.
Hello there,
The reason is because, it was one day after the Empire of Japan's attack on the US naval<span> base at Pearl Harbor
</span>
Hope this helps :))
~Top
