People went to California as a result of the riches people found there.
I think their relationship wasn't really in friendly terms. I think their relationship is fueled by the idea of defeating Germany and Japan. Both leaders were good military strategists, they work on synchrony on how they can defeat their enemies. Roosevelt was the first to approach Churchill and was able to get him to supply the US with arms and a naval fleet in order to defeat Japan and Germany
The answer is D. <span>The European population nearly doubled, the Native American population dropped greatly, and millions of Africans were sent to the Americas as slaves
Native American population declined because many were sent to Europe as slaves. Meanwhile, African population nearly doubled because many Black African slaves were introduced as substitute to Native American slaves.</span>
Emperor Meiji finally achieved to get over the ancient and previous traditions of Shogun Lords, which lasted almost 800 years. With, the Meiji restoration, the country formerly established relations with powers in Europe, the United States, and other parts of the world. This became key "in putting Japan into the scene", in the international community. The ancient practices were not fostered anymore (based on Cultural and social distinctions ). It can be said that the nation had formerly consisted of huge differences to be considered relating what people have as an office, the status they served, etc.
So Japan finally entered the modern world, after a long series of wars that were targeted to maintaining the cultural unity and a policy of isolationism that also resulted in upgrading and incorporating changes in Japan foreign policy and structure of the military.