Oh yes you are so right Arthur. Poverty is the underlying issue; give the girl child education by sponsorships n scholarships and also give money aid to families this will gradually disappear. Aside from child sex trade is also early child pregnancy. In the areas of Kilifi it is rife.
I believe education can liberate the girl n boy child and as you say economic opportunities be open to the small man.
It was good you took initiative in Tanzania though it was still your land. Well Tanzanians are a bit too protective of their resources. It is evident with Magufuli burning chickens from Kenya..hahaha and also them taking long to accept new East African Community protocols.
Corruption is truly a bother esp for well meaning foreigners like you who want to invest. Though I can tell you there is still hope. You can get some well meaning Kenyans (Africans) who see beyond the stomach....hehe..It is also murky here in Kenya but one get a legitimate channel and opportunity. Look at how foreign companies are setting up hubs in Nairobi recently Opera.
When can save a life here and there where we can. Make the world a safer place. Ready also to hear your further ideas on the wide topics..