Which of the following was not a condition of the Berlin Conference?

The Congo could stay in Belgian hands.

Africa would be divided amongst the European nations.

Most waterways and lakes were neutral areas.

Slave trade would continue to be allowed.

The conditions stated in the Berlin Conference did not include the continued allowing of the slave trade. The conference was dated 1884-1885. This conference tackled about who the real controller of the African territory. The request was from the Portugal, German chancellor Otto von Bismark calling together major Western powers.