How did a change in the use of fire demostrate human ingenuity

In vernonia school district v. acton, the school district argued that a drug test was illegal under any circumstances. no student could refuse to take a drug test. drug tests were not given at random. drug testing was necessary to protect all students.

How did the supreme court decision in the slaughterhouse cause have an affect american business

Name at least three countries neaolpeon controlled