Ais something observable and indicates the presence of an illness (e. g., reddening of the skin). a is a change from normal function, sensation, or appearance, generally indicating disease.

Sign

Symptom

Explanation:

In medical terminology, a sign is something objective and observable that indicates an illness. In other words, it is observable evidence that indicates the presence of an illness and it doesn't depend on the description of the patient but it's something observable.

On the other hand, a symptom is something subjective, something that is experienced by the person (and that it indicates a disease) but that it's not observable by others, therefore it has to do with changes that are not observable such as function or sensations.

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.