Answer:
The answers are A. He created a ring of ships around Cuba to prevent weapons from leaving or entering the island. And C. He sent a U-2 spy plane over Cuba to tighten surveillance on Soviet-made medium-range missiles.
Explanation:
I think those are the answers! I hope this helps.
Answer:
The telephone allowed for voice communication over a distance.
Explanation:
Telegraph can only be used to send text messages. It's commonly used by the people in the past for formal matters (such as send letters and business documents.)
Telephone can be used for voice communications. It's more commonly used for long-distance private conversations rather than something formal.
Telegraph is not as popular today due to the invention of a more efficient methods (emails or clouds). Telephones on the other hand, still widely used by the people worldwide.
Its unknown but could be like i said the oath
