Which is an example of an action that the fourth amendment was designed to prevent is it parent search a child's bedroom for evidence of smoking or drug use the government spies on individuals use of the library computer police search a home without a search warrant or patrol border, patrol agent stock, cars to check drivers for proof of citizens

The example that best aligns with an action that the Fourth Amendment was designed to prevent is "police search a home without a search warrant." The Fourth Amendment protects individuals from unreasonable searches and seizures, and typically requires law enforcement to obtain a search warrant supported by probable cause before searching someone's home.