Tang Dynasty was able to strengthen China thru the efforts of its Tang Taizong and Empress Wu in which the former brought back China's government and the latter empowered women. The Song dynasty continued the good governance and elevated the military system thru systematized testing.
Answer:
Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations.
The major problem was the division. For examplo: the Cordoba caliphate <span>disintegrated into 28 taifas.
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Letter b) <span> It fell because the divisions within the empire made it vulnerable to attack.</span>
it is a prophet hope i helped
