Answer:
The answer would be B.
Explanation:
"Undocumented" means unregistered or unaccounted for. An immigrant working in a country without being registered as a citizen represents this scenario.
They don't, because they don't actually know when easter was, so they declared it to be the last sunday of march.
Historians rely on primary sources because these sources because it provide eyewitness account of events
Elections Clause
The Elections Clause is the primary source of constitutional authority to regulate elections for the U.S. House of Representatives and U.S. Senate. The Clause directs and empowers states to determine the “Times, Places, and Manner” of congressional elections, subject to Congress’s authority to “make or alter” state regulations.