How have world economies changed during the modern era?

a. social hierarchies have disappeared as economic equality increased throughout the world.
b. economic philosophies such as capitalism and communism have been developed.
c. countries have become more economically isolated from one another.
d. environmental protection has become more important than economic growth.

Option B.

Explanation:

Economic philosophies such as capitalism and communism have been developed, is the right answer.

The economy of the humans of the world is known as the world economy. It is regarded as the world economy because of the global exchange of goods and services that are displayed in financial units of description. "World Economy" is just a gross of the different nations' measurements.

every of the four river valley civilizations, religion played an enormous role in shaping and cultivating each civilization. this essay will briefly discuss how religion formed the river valley people’s government and view on geography. religion dictated how the peoples of the river valley civilizations managed government and geography.

            religious leaders played prominent roles in every river valley civilizations form of government. from ancient egypt and mesopotamia to china’s historic empire and the indus river valley, all the river valley civilizations had significant religious figures. in ancient egypt, the pharaoh was revered as a god and therefore was given his right as supreme governing authority in the eyes of the people. the elusive emperors of china gained there governing rights by a mandate of heaven creating long lines of dynasties until the common people of china felt the dynasty had lost the favor of the gods. chinese emperors were not only governing leaders but also the spiritual leaders of ancient china. mesopotamian and indus river valley priests were referred as has head officials who had vast amounts of authority in these two civilizations primitive forms of democracy. religion shaped the structure and social caste of the four river valley civilizations.

hope that