Critically assess the aims(Why), methods(How) and results of the archaeological investigations.

dear writer i will attach to you the essay question and instruction. the question is Critically assess the aims(Why), methods(How) and results of the archaeological investigations.
for example in one of the Videos they are using air photo technique please discuss why they are using these techniques.
Sir please do not only summarize you have to summarize and analyze.
you are allowed only to use the references allowed in the attachment.