Answer:
He didn't want to share the information because no one else had this massive weapon and it was the first of its kind to be made. And most of the info got leaked to the Soviets and Britains by scientists who worked on the bomb, fearing that the US might be too strong with this power.
Explanation:
After Ghana fell because of invading forces and internal disputes, Mali rose to greatness under the leadership of a legendary king named Sundiata, the "Lion King." Later, another great leader named Mansa Musa extended the empire. ... As Mali's power waned, Songhai asserted its independence and rose to power in the area.
Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
I believe the term you are looking for is called popular sovereignty.
