Pretty near all of this stuff is available from North American distributors, Adafruit/Sparkfun for more hobbyist-minded stuff, Digikey/Mouser/Newark for industry. Adafruit takes bitcoin if you're that paranoid.

You're going to have a hard time getting along in the current world, especially in electronics, if anything Chinese sets you on edge though. I'm trying to be gentle, and I know you didn't ask for advice, but consider some counseling if you're "freaked out and feel tense when [you] hear Chinese people talking in Mandarin". Sounds like you're dealing with some history that you could afford to talk to somebody about.