Answer: The came around the 10th or the vikings did. Now christopher columbus came around 14th 15th century and is more famous due to the timing in history.
States have different conditions (some are very agriculture-based, so farming laws will affect them a lot, while others are export-based, so tariffs impact them), so certain laws may not be good for them, but would benefit the country as a whole. If congress has all power, then more populated states can overpower tinier ones. States having their own power means that they can react to their different conditions
2 is C or Abc of the Indus Civilization and Egyptian civilization breakthrough 3 is b or A
Nico's parents are attempting to use a negative reinforcement technique embodied in the operant conditioning framework to increase Nico's studying.
Operant conditioning is a learning mechanism which consists on affecting the strength of a behaviour by reinforcement or punishment, depending if the aim is to increase or decrease it , respectively.
In this example, Nico's parents want him to acquire good studying habits, hence they allow him to quit from tasks he hates at home if he does so, for instance, doing the dishes. Hence, if he does not behave properly he will suffer the consequences and do the dishes. This a negative reinforcement as if the conduct is not appropiate, the response will be the obligation to do a task he hates.
D) less socially stratified
