This is true, not having a navy has shown itself to be a weakness of many nations/civilizations in the past. And there are also good reasons why this is so. Not having a navy strongly impacts a civilizations ability to maneuver around certain points and go around them. It also limits the ability to trade with other natons. Not to mention the additional value of having the firepower of ships (those that had cannons later on at least).
Answer:
Texas into the United States of America, which was admitted to the Union as the 28th state on December 29, 1845.
Probably the kingdom of axum
Answer:
I think the answers are
A. A state can keep ships of war in time of peace.
D. A state can enter into any agreement with a foreign power
B. A state can engage in war
Explanation:
I hope this helps!
B is debatable because A state can't engage in a war without the consent of congress unless it is being invaded or in danger.