The correct one would be the 3rdone
C) Slaves
Slavery grew due to the rise in demand of cotton.
I believe it's that <span>James Madison wrote a group of amendments known as the Bill of Rights.</span>
Answer: B) African countries were not invited nor welcomed to this meeting.
All of the 14 participants of the Berlin Conference were European, with the exception of the Ottoman Empire which, even thou it controlled some territories in northern Africa, they were autonomous territories.
Besides that fact, there was no participation by any African country, since the conference´s goal was to regulate European colonialism and trade throughout Africa.