The trade benefits thus acquired, and the political prestige
The trade benefits thus acquired, and the political prestige of being the only daimyo family to control an entire foreign country secured the family's position as one of the most powerful daimyo families in Japan at the time.
I think "the trade benefits thus acquired" is the noun phrase and "thus" modifies "acquired" and "thus acquired" modifies "trade benefits." If so, I'd like to know why a comma is used along with "and" after "thus acquired." Thank you in advance for your help.
Top answer
You think correctly. The comma is an error. Commas generally should not separate the two parts of a compound subject, here "trade benefits" and "political prestige.
— Deadrat
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