Question

upton sinclairs the jungleinvestigated ____ and brought about the passage of the pure food and drug act.environmental degradationthe prescription drug industrythe meat packing industrydeforestation in south america4 multiple choice 1 pointa book is ____ when someone in authority limits publication of or access to it.proscribedcensoredmandatedcircumscribed

Explanation:

1. For the first question: The Jungle is a muckraking novel that exposed unsanitary, exploitative conditions in the U.S. meatpacking industry, which directly led to federal food safety legislation like the Pure Food and Drug Act.
2. For the second question: "Censored" refers to official restriction of publication, distribution, or access to content, which matches the definition provided.

Answer:

1. the meat packing industry
2. censored