I know for sure that it is the first and second one but i think the last answer will be your number 3.
Answer:
The answer is A. The event was of import historical relevance today
Explanation:
The first picture shows us that something important is happening. The second picture shows you a cathedral. The third picture shows you a memorial. So the memorial was placed because of a historical event that was important.
Answer:
*set up rules by adding africa to eurooe
*reduc3d tensions between countries so there wouldn't be any wars
The answer is benjamin harrison