Answer:
"an" open house
Explanation:
They were missing the "an."
Answer: D)Ellis island
Explanation: Ellis Island is a federally owned island in New York Harbor that was the United States' busiest immigrant inspection station. From 1892 to 1924, approximately 12 million immigrants arriving at the Port of New York and New Jersey were processed there under federal law.
Meekest (i think you meant musket) Because not only it was their guns it was a musket , Which was the most powerful gun and strongest one to use during wars.
I'm sorry this has to be about you so I can't help