Answer: A: Morse's telegraph, C: Granville Wood's railroad telegraph designs, D: Bell's telephone
Explanation:
Hope this helps :]
Answer:
Balban had several military achievements during his vizierhood, first raising the Mongol siege of Uch under Masud Shah in 1246. When the governor of Bengal, Tughral Tughan Khan, revoked the authority of Delhi in 1275, Balban first sent the governor of Awadh and then a second army, both of which met with failure.
(not sure)
The demand for it is what makes it valuable
Your answer is the garrison in petrograd joining the soviets! :)
There are no statements posted. Once you post them we may be able to help