Based on the key you provided and considering historical context, if there are arrows pointing from the orange region (West Africa) to the green region (West Indies), it would indicate trade routes from West Africa to the West Indies. Historically, this was indeed one of the first destinations for many enslaved Africans during the transatlantic slave trade, so the correct answer would be the green region or the West Indies. The West Indies served as a major hub for the slave trade and many enslaved Africans were brought there for labor on sugar plantations before being sent to other destinations, including the English colonies in North America.

In few sentences

, the arrows pointing from West Africa to the West Indies on the key indicate the historical trade routes of enslaved Africans during the transatlantic slave trade. The West Indies served as a crucial destination for these slaves, where they labored on sugar plantations before being further dispersed to other destinations. This indicates the significant role of the West Indies in the slave trade and the subsequent movement of enslaved Africans.