Studies of nonverbal communication across cultures reveal that A. smiles and laughter are universal signals of positive emotions. B. sour expressions convey displeasure in some cultures and pleasure in others. C. a direct gaze is considered appropriate in most cultures. D. classes usually start and end on time in most cultures.

answer; i believe the correct answer is (federalist);

it is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.

answer; the responsibility of all person, including civilians and contractors;