Answer:
At the outbreak of the civil war both the union and confederacy began experimenting with ironclad warships...
Explanation:
I'm not sure but probably A.
Answer:
he have both
Explanation:
Genghis Khan will remain a military genius like the great conquerors, but he differs from them by his quest for corruption and devastation in all his conquests; Where he established an empire that stretched during his dynasty from Ukraine to Korea. His grandchildren also established royal dynasties in China, Persia and Russia, and among the dynasties of his grandchildren are kings who ruled in Central Asia for several centuries.
The German historian (Bertold Shpuler) talks about the personality of Genghis Khan, saying:
Genghis Khan's superior qualities and extraordinary personality are not only shown in his military victories; but in other fields of no less importance we cannot but look with admiration and admiration upon his achievements as a lawgiver and organizer of the Mongol nation
A quipu, or knot-record (also called khipu), was a method used by the Incas and other ancient Andean cultures to keep records and communicate information. In the absence of an alphabetic writing system, this simple and highly portable device achieved a surprising degree of precision and flexibility.