Describe the changes and challenges that today's immigrant children experience.

They can't find a place to live???

Children of immigrants often face roadblocks—such as poverty and lack of access to early-childhood education—along their path to reaching that potential. They represent less than a quarter of the nation's population of children, but account for nearly a third of those from low-income families, the report found

Explanation:

the dictionary definition of ubiquitous is "present, appearing, or found everywhere".