Final answer:
Adams suggests that America will promote freedom in this world through the example of its democracy (Option C).
Step-by-step explanation:
Adams highlights the aspects of American freedom such as protection of religious conscience, free elections, freedom of speech, impartial judicial system, and economic freedom. The example of these freedoms in America is seen as a powerful influence on other nations.
By demonstrating the benefits and success of democracy, America aims to inspire other countries to adopt similar democratic values and institutions, thus promoting freedom globally.
The answer is option ⇒C