Answer:
In ancient Japan, Shintoism and Buddhism combined into a uniquely Japanese form of religion. During the Fujiwara regency, the military class rose around the ideals of the samurai, and large military families formed around powerful political figures. Also giving women the same rights as men was another big achievement!
Explanation:
Let us choose Extra study. Knowing that opportunity cost is related to the opportunities lost by choosing one specific course of events than others. By choosing an extra study and spend hours studying something, my opportunity cost will be the school sports practice hours that could be spent in this time. Another opportunity cost would be the social interaction, in a club, for example, lost because of the extra study decision.
The answer is "All beliefs"
It would be difficult for the United States for two reasons, the fact that none of the land was mapped other than the areas that previous voyagers had gone through, and the natural landscape of the area, and last, Native American Hostility.
Three examples: When pioneers would voyage to the west, there would often be encounters were they would be attacked by animals that had not been seen before, bears, sneaks, different wolves, and many more. They barely knew the natural resources of the area, such as food, etc.
The next example, no mapping, would be difficult because for the most part, they had no sense of navigation except for the few maps that had been made, even then, would be difficult to navigate.
Native Americans did not appreciate the pioneers coming into the land they considered their own, they resembled hostility and would even kill the civilians that would travel through the land, or capture them.
Hope this helps!! <3