Answer:
Because kind words bring happiness
Explanation:
A logical order, within a text, refers to the ability of words to show that one situation is so linked to another, that when one happens, the other, logically, happens as a result. This can be seen in the question above, through the line "Because kind words bring happiness." That's because kindness and happiness are very connected, so if someone uses kindness when speaking, logically, it causes happiness in those who heard and in those who spoke.
None of the words in this sentence should be followed by a colon. A colon is primarily used before listing certain things after a hard break in a sentence. Commas are fine here.
The correct answer for this question is this one: "<span>headings." </span>Roman numerals indicate the general idea, then it breaks to capitalized letters, then integers, then lower case letters. Basically, Roman numerals can also mean the main idea of the whole topic.