Answer:
One of the most significant advancements in military technology during the Civil War was from inventor and engineer John Ericsson, who created the designs for a new type of naval vessel for the United States: the ironclad ship with revolving turret.
Explanation:
The second sentence sounds correct...
Answer:
Kennedy place a naval blockade or a ring of ships
around Cuba to quarten cuba
i think so...
1 he was a skillful politician