The federal government initiated the bracero program during world war ii in an effort to a) restore the agricultural industry in the plains states b) provide financial support for irrigation projects c) address the urgent need for agricultural laborers d) increase the revenue of crop producers which of the following was an effect of the publication of upton sinclair’s the jungle (1906)? a) it aided the growth of federal social services b) it contributed to the development of settlement houses c) it influenced the passage of the meat inspection act d) it led to the development of child labor laws