What effect does the punctuation have on the meaning or impact of this sentence?

nothing

Explanation:

The only punctuation in that sentence (your question) is the question mark at the end. The question mark confirms that the sentence is a question - although the word order of the sentence would be sufficient to establish that it's a question, even without punctuation.

Explanation:

in 1636, roger williams settled at the tip of narragansett bay after being banished from the massachusetts bay colony for his religious views, on land granted to him by the narragansett tribe. he called the site "providence plantation" and declared it a place of religious freedom.

explanation:

i believe it is "“i’ll beat thee, but i would infect my hands.”

explanation: