What is the question about them i am pretty sure i can answer it
The Ottoman Empire. When one European power annexed a part of its crumbling power, it caused concern that they might get it all. The other European powers wanted a chance at picking it apart too.
Andrew Jackson was known for his short temper and anger issues. He most likely had so many duels due to these problems
Answer:
C. It set new rules for the settlement and development of colonies in Africa.
Explanation: