All the following except one led to the re-emergence of old trade patterns under Omani rule
- availability of capital from India
- increased demand for slaves
-
attack on the Portuguese in the 1640s
- willingness of Africans in the interior to take slaves to the coast
The correct answer is: C
Explanation
Attack on the Portugese in the 1649s is the correct answer as this attack was carried as a revenge on the Portuguese who had sought to control their strategic position of the Straits of Hormuz at the entrance of the Persian Gulf.