Obviously, we only want the Good and True to hang out with, so the questions on this form are CAREFULLY DESIGNED to weed out Bad People and Undesirables. How do we do that? With the HONOR SYSTEM.
Page 4 gets even weirder:
Do you intend to engage in a little espionage or maybe overthrow the government? BZZZZT SORRY NOT THE COUNTRY FOR YOU. There is something so wholesome and aw shucks gee whiz about these questions. I know it's a formality and they probably use it to also charge you with perjury if you say "no" and then later espionage against the US, but I love the unspoken assumption that some chucklehead applying to live here will go "Shit, I DO intend to do a little espionaging," and check "YES."
Also, this form clearly hasn't been updated since 1955 what with the "Are you a Communist" question instead of "Are you whatever the Westboro Baptist Church people are." Also, were you a Nazi?
Question 13: Do you plan to practice polygamy? If so, do you have contacts in the reality show production industry?
So let this be a lesson to you Communists, Nazis, weapon traffickers, people who have "called for" "severely injuring any person," labor camp servers, and people who have gotten weapons training: MOVE ALONG, NOTHING TO SEE HERE.