school project help plz

[DefCon_!1!]

heres the thing

i have a debate in my social problems class due in a few days, time isent that big of a factor.

wat is is that im stuck on one question i have to answer

"in what 3 ways do 3rd world immigrants, legal or illegal, help American unity"

all i can come up with is Culture

if u guys have ne ideas, plz throw them out, greatly appreciated

 

[BrynF_UK]

theyll do work that modern soceiety doesnt want to do, they work for a lower wage putting others out of work since they provide cheap labour

they can be a burden on the health and welfare system ( dont know if that applies so much to the states since healthcare isnt free )