I am pretty sure it is C but correct me if I'm wrong hope this helps.
Islamic culture. if it is what you're looking for.
Pampas and Llanos both have grassy lands used for livestock cultivation and farming.
1 Goods being transported
2 different empires
3 where the goods are coming from
You could name it two ways! You can either do IH or HI. Since there are only two letters, you can only rearrange or name IH 2 different times.
Hope this helps :)
