The Meat Inspection Act and the Pure Food and Drug Act, which gave the federal government regulatory power over food and drugs, were enacted largely as a result of

Due to increase in the unsafe and unsanitary practices in both industries.

Explanation:

The Meat Inspection Act and Pure Food and Drug Act, was enacted in 1906, by the 59th United States congress, for the purpose of banning the unsafe and unsanitary practices of the meatpacking industry and as well the foreign and interstate traffic in adulterated or mislabeled food and drug products.

Both Acts was passed on President Theodore Roosevelt on June 30th 1906. It was on of the key price of Progressive Era legislation.

profound political, administrative, and social changes in the british isles.