Insuring domestic tranquility is simply meaning they are keeping the peace within the country, city, town, or state. Mainly to keep things like the civil war, ww1, ww2, and the cold war from happening again.
Answer:
Islam.
Explanation:
For example, Morocco and Egypt. Also, if you think of Mali and Mansa Musa, they were muslims. I think.
Answer: Spain
Spain had the first sailor to circumnavigate the globe. It was reported that Ferdinand Magellan was the first human but later the honor was given to Magellan’s personal slave, Enrique of Malacca (now Malaga, Spain). Victoria was the ship used in the voyage.