Why did the segregation hurt the southern economy???

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.

Brainliestttme : )how did the japanese economy recover so quickly after world war ii? -mass immigration to japan in an effort to rebuild -economic and educational reforms passed by the government- an economic partnership with korea and china- marshall plan dollars stimulated the japanese economy

Who led the continental army in the final decisive battle of the revolutionary war at yorktown