The case of __________________ ruled that inmate visits can be banned if they threaten security, and inmates must be given a reasonable opportunity to pursue their religious faiths.

a. Lewis v. Casey (1996) 

b. Cruz v. Beto (1972) 

 c. Cooper v. Morin (1980) 

 d. Monroe v. Pape (1961) 

e. Washington 

v. Harper (1990)