Answer:
C) Russo-Japanese
Explanation:
The Russo-Japanese war ended in 1905. Roosevelt was very instrumental in the negotiations and even won the Noble Peace Prize for his efforts.
He studied the fossils' age and how tall the mountains are. He also studied how old they are. I don't know about Coal Beds but he also used balloons to find out the continents were once a big supercontinent called Pangaea and they apparantly drifted apart
B. They wanted to replace their own culture with the colonizers' culture
is not one of the reasons many Pacific Islands still have close ties to their former colonizers'.
The answer is True. It cut the population in halve.