Which of the following cultural and social shifts resulted most directly from the trends described in the excerpt?
A. A sharp decline in regional differences
B. The emergence of new ideas about the proper roles of husbands and wives
C. A decline in the income gap between those in the wealthiest class and those in the
working class
D. An increase in the importance placed on extended family relationships

The emergence of new ideas about the proper roles of husbands and wives has arisen from cultural and social shifts that resulted most directly from the trends.

The cultural and social shifts had changed the perspective of people regarding their social relationships and interaction. It makes new cultural and social values in the community by eliminating the old norms.

Thus, with the occurrence of new trends, people have accepted that both husband and wives have to perform the household as well as earn for their livelihood.

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B. The emergence of new ideas about the proper roles of husbands and wives

Explanation:

According to the trends discussed in the excerpt, there was a cultural and social shift based on the trend which caused a new discussion about the proper roles of husband and wives and how they should run their home.

i think they should to be honest

explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.