Question

In the early 20th century, what duty fell to many young adults

Answer 1

Do you mean in America, or around the world? If in America then, as the early 20th century was in deep poverty, many children helped on the family farm or in the city factories.

Answer 2

Supporting their elderly parents financially.

Step-by-step explanation:

With the emergence of the new century, living conditions have improved unlike the previous times. Unlike older days, the 21st century brought about many changes and developments in the conditions for mankind. Aside form the technological aspects of development, there are numerous choices for how one wants to live his life. The new century brought about a new perspective in the young adults about how they treat their parents. They were left with the duty to take care of their elderly parents, thus the financial responsibility to be their sole provider fell on them.