There might be a link here
Because the first was in 1803
<span>The Romans' first code of law was called The Law of the Twelve Tables, instituted in the time of the emperor named Justinius and established around 200 B.C. The law dealt with property rights and punishment for criminals. The Roman's first code of law did not deal with elections or trade agreements.</span>
Because they believed that the Southern states would be over thrown in the senate by adding 2 free states which would over power then 11 to 12