Answer:
The answer is 4) increased population growth.
Explanation:
This is the answer because a lot of people came which is negative because they don't have as much stuff as the U.S so now they can only have one child and if they have more either they'll give to the foster system or will likely execute them.
A code is to change or convert a set of letters sounds or images into another via a medium of some sorts such as paper. Typically with military communication its common to have encryption and redundancies to stop any enemies from discovering how their military communicates internally.
