This is a question referred to grammar topics.
When you adding the prefix called inter to the word it change the meaning.
It has his origin in Latin and means inside of, between of. Some authors explain that it has a relation so close with words intra and intro.
However, the use of a word depend of the context that you are studying.
In conclusion, according the question is " Between states"
Answer:
The primary purpose of a flower is reproduction. Since the flowers are the reproductive organs of plant, they mediate the joining of the sperm, contained within pollen, to the ovules — contained in the ovary.
Explanation:
"In September he spent most of his time visiting parks, while in October he mostly flew kites" would be a possible combination, although there are several others you could choose.