The first significant supporting evidence for a biological cause of a mental disorder was the 19th century discovery that the psychotic disorder called general paresis was caused by the same bacterial microorganism that causes

syphilis

Explanation:

The first significant supporting evidence for a biological cause of a mental disorder was the 19th century discovery that the psychotic disorder called general paresis was caused by the same bacterial microorganism that causes syphilis.

General paresis is a severe neuropsychiatric disorder that is evident in the late stage of syphilis caused by the bacteria Treponema pallidum. Untreated syphilis advances to neurosyphilis (general paresis) which a nervous disorder that affects the spinal cord and the brain, causing brain damage. Symptoms of general paresis includes; Language problems, such as saying or writing words incorrectly, Decreased mental function, such as problems thinking and with judgment.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.