Yes, basically. This will also depend on your citisenship.
Depends on the country. Africa is a continent.
yes. to travel to Africa you need to obtain a visa. it can be a visitors, student, work, or hardship, meaning family or personal emergency.
No, you may enter South Africa for 90 days (leisure travel only)
East
East
well you dont have to but its best to
People in Africa travel by car or bike what els do you think they travel in Due every thing we travel in.
The cheapest travel line to Africa from the US is the water travel line.
South Africa is geographically East-South-Easterly from the USA.
You would have to travel through the Atlantic Ocean and then through the Indian Ocean.
This depends upon exactly where in Asia and Africa you are asking about, but in general you need to head west and possibly south to get to Africa from Asia.