Just before something scary happens in a horror film, they often play scary sounding music. when i hear the music, i tense up in anticipation of the scary event. in this situation, the music serves as a

It serves as a "Conditioned stimulus".

In the classical conditioning there are conditioned stimulus as well as unconditioned stimulus. A conditioned stimulus is something which otherwise used to be a neutral stimulus but then it was connected to an unconditioned stimulus resulting in producing a conditioned response. In the given case the sound of music was previously neutral but being connected with the scary scene it triggers the frightening response which is conditioned response.

its kind of blury sorry

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.