Which word means the study of the mind?

What arguments might a conservation used to justify president roosevelt's expansion of power of federal government

In 2001 mexico imposed a 20% tax on all soft drinks not made from sugar cane high fractals corn sit-up which is made from corn, is often used in place of cane sugar to manufacture soft drinks. which nation would most likely be impacted by mexico’s policy change?

What is the best possible explanation for why the first ghosts seen were flaming spirits with their bodies on fire