The first section is titled “American: the teenage years. What is meant by this section title? lesson: Challenges of the articles of confederation. (Khan academy)

It refers to the beginning years of America.

Explanation:

The title “American: the teenage years'' means the beginning years of America. It also refers to the days when the whole America is united and defeat of confederation. These are tough years for America because large number of people were killed in civil war and bad condition of economy. so the title refers to the years when the whole America is united.

answer

wages and job opportunities have grown slowly since the recovery began five years ago, while technology continues to change the nature of work. while many workers enjoy opportunities unimaginable a generation ago, many others feel the economy has left them b

explanation:

trade in silk, spices, and precious metals.

answer first choice