Final answer:
The differences in marriage practices support the principle that a society's marriage practices reflect its values. India's arranged marriages and US's choice-based marriages exemplify the respective societal values of community and individualism.
Step-by-step explanation:
The differences in marriage practices between India and the United States support the sociological principle that a society's marriage practices match its societal values. In India, the majority of marriages are arranged, which aligns with the values of family involvement and community decisions. Conversely, in the United States, marriages are primarily based on individual choice, reflecting the value of personal freedom and romantic love. These practices reflect the underlying social and cultural norms of each society and demonstrate the significant role that societal values play in shaping institutions like marriage.