This is the 1519th most frequent German word.
beeinflussen
To influence or affect.
In this sentence, 'beeinflussen' is used to indicate that one factor (the weather) has an impact on another (my mood).
Das schlechte Wetter beeinflusst meine Laune.
The bad weather influences my mood.
Here, 'beeinflussen' refers to the significant impact that political decisions can have on societal dynamics.
Politische Entscheidungen können die Gesellschaft stark beeinflussen.
Political decisions can strongly influence society.
In this example, 'beeinflussen' highlights how an environmental factor (colors) can affect people's emotional state.