What was NOT a cause of World War I?

What caused ww1 to happen?

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

Explanation:

The correct answer is B) New laws were passed to ensure better quality of food.

The book The Jungle by Upton Sinclair exposed the disgusting working conditions and habits of the meatpacking industry. This included sweeping guts of the floor and the inclusion of rats in meat sold to the American people. The conditions described disgusted the American people and resulted in president Teddy Roosevelt passing the Meat Inspection Act of 1906. This law would ensure the cleanliness and safety of meat sold to the American public by having the government inspect these types of factories.