What is one of the defining characteristics of the modern era? A. Countries are better able to build strong economies with ought trading w/ their neighbors. B. Human actions have less impact on the environment than they did during other eras. C. Interactions and exchange between cultures have become easier than ever before. or D. Most countries have done away with social and economic hierarchies

the hereditary right of a monarch to rule from the mandate of heaven

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )

the correct answer to your question is c the factory goes out of business, causing the workers to lose their jobs.

explanation: