Researchers further the biological perspective when they demonstrated that electrical stimulation of the brain could evoke emotional responses in animals. this is an example of how can influence perspectives.
a. cultural diversity
b. personal ideology
c. opposition
d. new discoveries

The answer is D. The fact that researchers helped further the biological perspective when they demonstrated that electrical stimulation of the brain could evoke emotional responses in animals, is an example of how new discoveries can influence perspectives.

It is an example of how science has advanced and developed during the last centuries, it is also an example of how science works. Researchers are constantly searching for evidence to support or contradict existing theories and knowledge. Advances in technology are an important part of this process, since they make it possible to observe fragments of reality that weren't available before.

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.