claim: Dissociative identity disorder is caused by major depressive disorder.
evidence: Willie Stevenson Glanton -LRB- born March 19 , 1922 -RRB- is an American lawyer and former politician in the state of Iowa .. Iowa. Iowa. Glanton was born in Hot Springs , Arkansas and attended Tennessee State University and Robert H. Terrell Law School .. Tennessee State University. Tennessee State University. She moved to Iowa in 1951 and in 1953 , became the second African American woman to be admitted to the Iowa Bar .. Iowa. Iowa. She was elected to the Iowa House of Representatives in 1964 , becoming the first African American woman to sit in that body .. Iowa House of Representatives. Iowa House of Representatives. Iowa. Iowa. She resigned in 1966 to work as a lawyer with the United States Small Business Administration .. United States Small Business Administration. United States Small Business Administration. She was married to Judge Luther T. Glanton , Jr. and had one son , Luther T. , III .. In 1986 , she was inducted into the Iowa Women 's Hall of Fame .. Iowa. Iowa. In 2010 , she was named one of the ten most influential black Iowans by the The Des Moines Register .. The Des Moines Register. The Des Moines Register