Are you looking for a specific word? The answer is border but I see you've included this in your question so I believe you do not understand the concept.
Answer:
A) it did not
Explanation:
African culture is expressed in its arts and crafts, folklore and religion, clothing, cuisine, music and languages.The oral tradition refers to stories, old sayings, songs, proverbs, and other cultural products that have. not been written down or recorded.
Africa was rich in natural resources. They wanted to establish colonies in Africa to extract them. There were also other reasons such as, nationalism, missionaries and ambition.