The answer is C. to motivate Americans to strive for the development of their nation.
The use of metal detectors have made buying clothes a safer experience as people cannot pick something and hind under they close because the metal will detect it and as such it has discourage theft.
<h3>What is the benefit of Metal detectors?</h3>
Metal detectors is known to be a tool that has helped a lot of shop owners to avoid any incidence of thieves and shoplifters as it signals the people that something was stolen.
Therefore, The use of metal detectors have made buying clothes a safer experience as people cannot pick something and hind under they close because the metal will detect it and as such it has discourage theft.
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<em>down</em><em> </em>is the preposition.
Proofreading before revising will help in making revising easier.
hope this helps!
