Answer: Until this century, relative dating was the only technique for identifying the age of a truly ancient object. By examining the object's relation to layers of deposits in the area, and by comparing the object to others found at the site, archaeologists can estimate when the object arrived at the site. Hope this helps!
Answer: They has a larger navy
Hope this answer helps!
The first is the best option.
It is true that a lot of cultural aspects of Africa have been lost, most specifically, religion.
If we look at imperialism, its height came after the main period of African slave trade (second answer is false).
The tribal conflicts are still very ripe in Africa, and often they're fueled by the carefulness boundary drawing of countries in Africa- the third answer is false.
More self-rule is also false, if anything, imperialism brought less self-rule
Answer: The North had way more manpower.
Explanation: The north was always populated to begin with since the living standards were a lot higher than in the south. And when the northern states "forbided" slavery a mass migration of African Americans from southern states moved to the northern states. They migrated to find a better life up in the north(before the civil war). When president lincoln gave the to go sign that African Americans were able to enlist in the army during the American civil war it gave the North a manpower increase, one that the south didn't have since the south did not allow African Americans to be enlisted in thir arms.
By the bombing of Tokyo, you mean the Doolittle raid then yes, It was a much-needed morale booster.