Answer:
There were many causes of the Civil War. Some were The Northwest Ordinance, The Compromise of 1850, Kansas VS Nebraska (Bleeding Kansas), The Missouri Compromise, ect. The Civil War was mostly caused because of slavery. The north were against slavery, the south thought they should have Popular Sovereignty (the people chose if they wanted slaves).
The good thing was the the economy of Egypt was better thanks to the British. They also learned the English language. There was however a strong Arabic oppositon, which didn't like the European ruling (Christians settelting in Egypt). This led to several armed conflicts. British occupation until 1922 when Egypt declared its independence.
The hacker can either use R.A.T (Remote administor tool), Trojan, Or other malware to infect that computer. Also worm can infect other computers by spreading over the network
I think the answer would be you pay it back to the issuer minus the interest since most bonds have periodical payment for the interests. However, this depends on the issuer but oftentimes the case would be as such. Hope this helps.