Final answer:
The Bolshevik Revolution heightened fears of communism and influenced Western European politics by promoting anti-communist sentiments and shaping the ideological landscape.
Step-by-step explanation:
The fundamental political and socioeconomic impact of the Bolshevik Revolution on Western European politics was that it heightened fears of communism and sparked a wave of anti-communist sentiment. The Bolsheviks' rise to power in Russia led to concern among Western European countries about the spread of their ideology. This fear of communism ultimately influenced the political landscape in Western Europe, leading to the growth of right-wing movements and the strengthening of anti-communist policies.
For example, in Germany, the Bolshevik Revolution contributed to the rise of the Nazi Party, as they used the fear of communism to gain support. In France, the Bolshevik Revolution prompted the government to crack down on communist movements and promote anti-communist propaganda.
Overall, the Bolshevik Revolution had a significant impact on Western European politics by exacerbating political divisions and shaping the ideological landscape during the early 20th century.