Why do wars exist in the world?

What countries were left out of the Paris peace conference after World War 1? What two worlds were in the cold war? What city has most canals in world? Which country imported more African slaves than any other in latin America? What do rich people drink? During 1777 British General Burgoyne attempted to implement a plan for dividing the colonies by capturing what? What questions do historians ask? What countries were allies with Britain in the First World War? What 3 oceans surround Australia? Which statement accurately contrasts the Ottoman and Safavid empires in the 16th century? Has society become more violent? What is the main purpose of trade alliances? Where do you keep ships? Why did Sophie not appear to accept her award from the 1815 competition? How many years ago when the ww1 started? How is Andrew Carnegie remembered? What is the European interstate system called? What is the early history of exploration of Mississippi? Famous people from Egypt? How old was Mary seacole when she died?

Why do wars exist in the world?