Archaic : a change brought about by the sea. 2 : a marked change : transformation a sea change in public policy.
Answer:
People rally during the Native Nations Rise protest in front of Trump International Hotel
Explanation:
No.1 is not it
No.2 is not it.
No 3 is correct (a tick)
No.4 is wrong (it should be Mansa Musa, who ruled Mali in the early 1300s, was rich and powerful)
No.4 is correct (a tick)