How to prevent people from lying in their answer ??

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?

What is an example of a college admissions test? -state test -cat -act -personality test

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound