The whole passage talks about psychology and A gives the main idea. A tells you that psychology is the understanding of the human mind while the other answers tell you that psychology is a good career path. A is the only answer that explains what psychology is and psychology is the main idea of the passage.
The event where they call the police because they trust their instinct or when something is wrong and asks for help or when b utterson and pooole enter dr jekyll labarartory even though they are not afraid and or they buy strange medicene
Answer: Brownian motion. This is the motion of small objects (like pollen) that appear to jiggle around while sitting in a drop of water. You can view this motion under a microscope.
Hamilton believed in a strong central government while Jefferson was a democratic republican. Jefferson wanted a weaker federal government and stronger state governments.