Most of sarah's ideas come from interacting with coworkers, friends, her spouse, her parents, and other people that share the same beliefs that she does. sarah is getting most of her ideas through relationships.

Sarah is getting most of her ideas through "strong tie" relationships.

Strong-tie relationships are described by visit collaboration and ties (Relationships with other individuals are designated "ties".) between associates, companions, and life partners, and weak-tie relationships  are portrayed by rare communication and ties between easygoing colleagues.

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !

answer; protectionism fosters competition and keeps price regulated;