Developed by the administration of Harry Truman in the late 1940s, the correct answer is the policy of containment.
Containment refers to the US's policy, developed by legendary diplomat George Kennan, where the US would help any free nation threatened by communism by stopping the spread of communism.
The company will most likely hire you and other workers at stage 1. You would look for whether a company is brand new or hiring.
The development of farming was crucial to the formation of civilization since this allowed for there to be a surplus of food, which meant that people could devote themselves to other tasks and skills that are necessary for society to form.