The Atlantic Ocean. Its the ocean that connects North and South America to Europe. Most early explorers came from Europe and "discovered" the Americas. The slave trade as well as spice trade used the Atlantic ocean because it's the most direct way from most of Europe.
Answer:
D. Germany had to pay reparations
Explanation:
After WW1 Germany was heavily in debt after it was forced to pay reparations for it's involvement in the war.
I wanna say the answer is- B.
I might be wrong,so if I am,I'm sorry
Those factors were:
city-states
the drawing of political borders
divide and rule policies