Throughout Michigan's history there have been many boom bust economy cycles. During the 20th century Michigan saw the same boom bust economy cycles that created several problems for the state. The great depression brought devastation in the work force causing high unemployment, but during World War II the high demand for military machinery lifted the economy and allowed for high employment. The changes that World War II brought were those of gender and racial. The increase of blacks in the cities led to riots and civil, racist, unrest. Other problems included the issues of funding and the decay of infrastructure. Many solutions have been proposed, but many were done too late. Michigan has faced many ups and downs within its borders finding itself in a constant state of boom and bust. World War II marked the end of the great depression for Michigan. Ford plants were transformed in to military machinery shops. The need for military gear put the home front back to work. Millions of Michigan factory men left for war leaving a great deal of vacancies in the labor force (Martelle, 140). People flocked to the city to fill the open jobs that were necessary in the war effort. Construction of new homes could not keep up with the demand (Martelle, 141). World War II's need for supplies led to a boom economy with a great number of jobs that brought people in, including southern blacks. Racial tensions began to grow throughout Detroit. Race riots soon ensued over the city leaving many injured, fearful, and dead. The 1943 riot seemed to be inevitable amidst the great influx of southern blacks. It was found that nearly 83% of blacks were not treated unfairly and given less opportunity to contribute to the war effort (Martelle, 147). With their opportunity being limited their housing situation continued to worsen. Homes were not being built fast enough for the growing population even though housing projects were already promised. Whites, however, di