Those who controlled the Atlantic Ocean trade controlled the world because everyone wanted to go to the new world after Columbus discovered it. The Atlantic ocean was a key to this so who controlled it controlled everything. It also meant that people could now start exporting slave to the new world and this became immensely important in the years to come.
I think everyone knows Washington D.C. isn't a state :D
But I didn't know that until middle school lol
The ice age caused bridges made of ice to form, early people crossed these bridges and worked their way into the Americas
The caste system in ancient India was used to establish separate classes of inhabitants based upon their social positions and employment functions in the community.
Answer: Experimenter bias.
Explanation: Experimenter bias is the condition which describes a person as a part of experiment who is influencing the outcome of the experiment so that the desired or preferred results can be obtained.Experimenter bias is also known as research biasing.
The example mentioned in the question where Brian is conducting the study with sharing his views with the participants that he expects girls should perform better than boys in the experiment is example of experimenter bias.
The actual experiment should have been conducted without any thought sharing or acknowledgement which would have produced unbiased outcomes.But according to Brain's study, the expectations are conveyed ,therefore it will influence the result of the experiment as it becomes biased.