Final answer:
The most likely explanation for a squiggly-shaped congressional district is that it was drawn to the advantage of the party in control of the State legislature, a process known as gerrymandering.
Step-by-step explanation:
The most likely explanation for a congressional district resembling a squiggly piece of spaghetti is that it was drawn to the advantage of the party in control of the State legislature. This is known as gerrymandering, which is the manipulation of legislative district boundaries to favor a particular candidate or political party. Gerrymandering is a common practice that allows the party in power to define new districts that give them an advantage in elections for the House of Representatives.