HarmonyNoob123

hey folks

first of all excuse my english, i'm not a native speaker i would be very happy if you could help me and answer the following questions.

thank you very much!

Chords
Does electronic music (especially electro) have chords? And which instrument usually plays the chords in electronic music? I quess it's a chord-playing synthesizer? If yes, how has the chord-playing synthesizer to sound like (the same as the lead-synth)?
And is it possible do make musik without chords (techno)?

Counterpoint and adding of other instruments to the melody
How can i figure out what the bass is playing according to the lead instrument's melody? -> Is it just about counterpoint and nothing else?
And if I want to add additional instruments (especially e guitar or strings) is it only about counterpoint-theory as well?

i hope you understand my weird questions otherwise feel free to ask for explanation.

thank you very much!