(c) steep increase in business profits due to government contacts. This would be the development most expected from the book as this is the only economic selection given in the multiple choice answers; the others are social or political changes in society found after WW2.
it is c ;
The development most likely included in the book to support the increase in corporate and professional jobs after World War II is the steep increase in business profits due to government contracts. This profit surge resulted from the government's wartime spending, which transitioned into post-war economic growth. Such growth created more job opportunities as businesses expanded to meet the demand for various skilled positions.
;