B. Ethnic Cleansing
Both cases occurred because another race who had more power tried to eliminate the other race.
Answer:
island of Ithaca
Explanation:
dont know if you need an explanation, tell me if you do
Answer:
P versus NP.
Hodge conjecture.
Riemann hypothesis.
Yang–Mills existence and mass gap.
Navier–Stokes existence and smoothness.
Birch and Swinnerton-Dyer conjecture.
Explanation: