The americans with disabilities act of 1990 is an example of industrial regulation.

False
The act is a civil right law similar to the voting rights act of Johnson era which sought to protect the civil, social and political rights of people with disability regardless of race,tribe, and ethnicity.

Where are the following ?

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.