Yerkes-Dodson law says that moderated arousal levels can improve
performance up to a certain point. For example if you are a bit anxious for a test, that may actually make you perform better. If the arousal becomes to excessive, the performance reduces.
answer: <span>b. best; moderate</span>
What made it self-sufficient was whether it had enough land and serfs which could produce enough food for people to survive on the amount of food that they would produce.
The great peril happened in on October 8, 1871 and burned through the heart of Chicago.
- The fire burnt for more than 24 hours, killed more than 300 people and destroyed more than 17,500 buildings.
- The aftermath of the accident left four square miles of Windy City including its business district in total ruins.
- The mayor of Chicago who was "Roswell B. Mason" lived in Chicago at the time of the fire in 1871
Learn more about the Chicago Fire of 1871 here
<em>brainly.com/question/16119130</em>
Answer:
1. to help make people equal
2. checks and balances are rules
