Feelings of confusion, disenchantment, loneliness, and homesickness following entrance into a new culture are collectively known as .

The answer is intergroup anxiety.

Explanation:

Intergroup anxiety is kown as a set of negative emotions, such as stress and discomfort, that some people experience while interacting with members of different groups. It may also occur before the interaction, with the sole thought of the future involvement.

Integroup anxiety is believed to be caused by negative expectations about the outcome of the interaction (e.g. not being aware of their social norms, resulting in uncomfortable situations).

3 ; Executive, Legislative, Judicial