I think it is eather a or b
The proclamation declared martial law and promised freedom for slaves of American revolutionaries who left their owners and joined the royal forces, becoming Black Loyalists. According to historians, the proclamation was designed for practical and militaristic reasons rather than moral reasons or humanitarianism.
Answer:
One reason is to simply expand their religion. Another would be to acquire more resources like exotic spices and such. Another being to dominate.
1. Nomads whose herds of cattle provided their clothes and food
2. Warriors with bows and arrows who drove chariots into battle