Everything you need to make a good meaningful sentence (and grammatically correct, of course), is to follow common rules. Do not forget to provide your sentence with complexity, but you don't have to make them too complicated, I mean you need to use key words, they will make your thought completed. And the second point is that you need to properly organize the sentence using correct word order. ion:
Alexander spreaded communication between East and West. Greek ideas and culture.
(hope this is what you are looking for.)
If i remember the answer b. potatoes
The answer for this question would be A
