Can someone help me become wiser:

_________

1) When (historically) did surveillance of its citizens (movement, financial transactions, communications) become a perceived legitimate right of the American government?

2) Why is it assumed this is a legitimate right? (I.e., that a "good citizen" should be okay with their daily financial activity, for example, being monitored by the government?)

_________

I assume these questions are almost always related to claims about effective taxation and national security?

Any insights / perspectives are appreciated....

Thanks!