The correct option is this: CAMEL CARAVANS CARRIED GOLD AND OTHER RESOURCES FROM SUB SAHARAN AFRICA NORTH TO SEAPORT AND ALL THROUGHOUT AFRICA.
Camels, because of their abilities to survive the harshness of deserts were used as the animal of choice by merchants to transport gold and other resources from one point to another in Africa in order to sell these goods. Traders traveled and distribute their goods using camel caravans.<span />
They were constantly experiencing racism, discrimination, and segregation. As well as being forced into marches , riots , or parades just to actually be heard in the white society.
The main reason for british colonization of Singapore was to obtain use of its harbor and ports. Singapore was in a very strategic position for certain trade and shipping routes.
The correct answer would be the Spanish Flu or influenza