Pocket Watches For Sale

1. When camels were brought to Africa from Asia, trade increased across the _____.
(a). cenral rain forests
(b). Great Rift Valley
(c). Sahara
(d). Ethiopian Highlands

2. The Romans used their conquered lands in North Africa as an important source of _____.
(a). grain
(b). lumber
(c). quartz
(d). copper

3. Monsoon winds aided trade between East Africa and _____.
(a). West Africa
(b). the Mediterranean
(c). India
(d). Egypt

Any help is highly appreciated, thanks(: