I think they are right ........
I believe the answer is: bond with different countries
When we bond with different countries, a cultural assimilation would happen among the countries that involved. When this happen, people from each countries will start to adopt each other's language and create a major change to both existing language.
Now in our time of day, not a lot of kids are reading books because they are into there phones.
it means that he couldn't find a sign of Nancy in the apartment