In response to the economic trends triggered by the Great Depression and the Hawley-Smoot Tariff Act, President Roosevelt signed the Reciprocal Trade Agreements Act. What was the main purpose of this act?
It banned tariffs within the United States for ten years.
It was designed to promote consumer spending through decreased taxes.
It allowed the US government to work with other countries to reduce tariffs.
It increased tariffs to boost protectionism.

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities