It was the 1930s when the period of To Kill a Mockingbird set.
The sentence that uses correct capitalization is letter A. The Bill of Rights was ratified during George Washington's presidency. As you may have noticed, the words that are in capital letters are called proper nouns. These are nouns that are specific and refers to only one name or noun.
In "324", the speaker of the poem spends her Sundays at home. She draws a comparison to others, as she states that they mostly spend their Sundays in church. It can also be assumed that the speaker may be outside at her home, as she uses many images of birds, and mentions an orchard.