concurrent points or intersecting points
"between the two countries"
A prepositional phrase needs to contain a preposition, in this case it would be "between". As well it needs to modify the sentence and it should mention the object of the sentence. So "between the two countries" is correct.
If the fact that she didn't come after should logically proceed after they planned a barbecue for Saturday which I think it should. A would be the answer.
Answer:
Imagine a United States where recent college graduates devote one year to national service – and doing so benefits youth sports organizations in the process. That’s one idea proposed at Project Play’s recent event, The Rebuild We Need Now. Aug 6, 2020. Jon Solomon. Aug 4, 2020. Aspen Institute. Mailbag: How safe and effective are face shields for youth sports? Aug 4, 2020. Aspen .
Explanation: