Rather than a public system where all Americans have health insurance in exchange for paying higher taxes, health insurance is offered to Americans through private companies. A sociologist observes that this private system seems locked in place because insurance companies fund lobbyists who successfully oppose efforts to create a public system. Which of the following concEpts describes the development of the healthcare system in the U. S.?

1. A social movement
2. Life course
3. Critical mass
4. Path dependency

1. A social movement

Explanation:

Public healthcare system should be an obligation to the government.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.