At the time
the Panama Hotel was built, there was no illegal immigration. Travel papers were not a strict requirement until last century. The Asian labourers for whom The Panama Hotel was built bought a ticket, got on a boat, and sailed to Seattle.
Most white Americans are descendants of people for whom passports were a strict necessity. Citizenship is a ludicrously recent concept which governments exploit to hold their citizenry hostage to pay taxes, fight wars, and make babies to pay more taxes and fight more wars. The next time you thank a veteran for the service they tried to provide, ask yourself, did their efforts make you less free?
How many times a year does the South Korean military, because of american goading or threats, invade the North? How many times a year are the american military or clandestine disservices invading the North?
Independent security analysts estimate that for every single PRC hack of the american military computer systems, the american government hacks the PRC military 100 times. Using that ratio, one gets a fairly accurate picture of how often the South Korean government out aggressors the North. Ain't western style competition great?