Which of the following statements reflect the complexities of the current debate regarding undocumented aliens? select all that apply.

a. deporting undocumented aliens could separate families whose children were born in america.
b. the logistics of tracking and deporting all undocumented aliens in america would require enormous resources.
c. americans do not have strong opinions on immigration issues and seem content with the system.
d. border patrol agents do not have enforcement power under federal law to detail undocumented aliens.