I think it might be Malone but I'm not exactly sure
Answer:
In 1820, amid growing sectional tensions over the issue of slavery, the U.S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state, while banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel
I think that it is A House of Representatives
One observation definitely disproved the Ptolemaic<span> model, although it didn't prove that Copernicus was right. This was the observation that Venus has phases, much like our Moon does.</span>
"They imported technological advances from Great Britain,"