Which of the following best describes the relationship between deindustrialization and labor unions during the 1970s? A. Deindustrialization eliminated millions of unionized factory jobs, greatly weakening unions political influence. ODeindustrialization reduced the demand for unskilled labor , leading unions to spread rapidly through high-skill industries . O C. Deindustrialization contributed to high levels of unemployment making it extremely difficult for unions to organize strikes D. Deindustrialization hit nonunion industries especially hard , increasing the percentage of the labor force in unions .