(C) For the longest time Europeans and other outsiders could not travel into central Africa due to the various disease they were not immune or accustomed to, as it meant almost certain death for anyone not native to the area.
How often it is used, how fast their speed limit is, how far is the path going to from the busy road Explanation:
It’s a because they have limited control
Answer:
All of the above
Explanation:
Honestly if an answer has all of the above as an answer and you arent sure what the actual answer is, just select all of the above. It's almost always the answer.
Europeans faced plague (the black death), poverty, and war