Cape Town, South Africa is located in a climatic region classified as a "C" climate. According to the Köppen system of climate classification, an area with a "C" climate
has a:

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.

i think the answer to your question is: settlement of the interior and economic growth. ( ^_^)／

your answer is a. hope this : )