Answer:
Congress and state department
Explanation:
Senate is part of congress and congress is the executive branch. And the state department advises the president by representing the states which is part of the job of the executive branch
i think you mean antibiotic ... but Alexander Fleming was the one who advanced the antibiotic (world) and was responsible for creating these categories of medicine... this affected the 20th century because millions of people use antibiotics everyday and without them... many diseases would still affect people without a cure
Ignorance describes the main purpose