Which was an achievement of the Roman Empire?

They developed many new techniques for buildings and invented, concrete,roman roads, arches, and aqueducts

Explanation:

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.