Which groups were most influential in passing the pure food and drug act?

The correct answer is that the group who helped pass the Pure Food and Drug act where the Bureu of Chemistry and Department of Agriculture and was signed by the president Theodore Roosevelt.

Explanation:

This law was a the first enacted legislation of the 20th century and it was a landmark for a progressive agenda.

c) troops march forward in close formation against newer, more accurate weapons

missouri compromise of 1820 which prohibited slavery