The Ming Dynasty took over and lasted from 1368-1644
Answer:
Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space. They are used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.
Explanation:
Answer:
Along the coast of North Africa sea port cities developed such as Marrakesh, Tunis, and Cairo. The port city of Adulis on the Red Sea was also an important trade center. The major trade routes moved goods across the Sahara Desert between Western/Central Africa and the port trade centers along the Mediterranean Sea.
Civilians did things such as mend clothing for soldiers, make ammunition from household silver, and many women followed their husbands to the battlefield where they washed, mended, and cooked for troops. Very few were able to fight in combat, but some women did.