Why would the architectural design of the missions change over time?

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

What challenges did nigeria faced after it gained its independence from britain