"Sir, we are sensible that the president of the United States is not the national legislator, and also sensible that the national government cannot destroy the laws of each state; but our hopes are strong that the sentiments of our beloved president, which have had such genial effect already, like the radiant beams of the sun, will shine and prevail through all these states and all the world, till hierarchy and tyranny be destroyed from the earth".
So we see in this famous letter from the Danbury Baptist Association to Thomas Jefferson that even they recognized that they were appealing to the persuasive power of the former President and NOT to a compulsory action by the state (national government).
True. They wanted him to use his influence to alter legislation in Connecticut.
False. Jefferson was the sitting President (1801-1809)
Somewhat. The offending legislation was in Connecticut, Jefferson was expressing his view that the legitimate powers of government don't extend to religious opinions.