Yes it will. The only thing that you have to keep in mind is that in Angola the power is 220V so U'll need a power brick with 220v. Or U can buy a power converter to convert 220v to 110v.
The Central Government is the government that works from New Delhi.
No
Yes You Can....
well it depends if you have a permit and your 14 you should be able to work but... you can only work for like 4-5 hours if your under 17