Yes ... but they also want to have sex with you.

Don't forget, some alien species have their sex organs on their heads (or other bodily location), some have more than two sexes, some have no sex (and inseminate in other ways), some perform crowd insemination and some eat their partner after insemination.

No because they are a federation and not an empire.

I thought it was communism in space.

Yes. Remain Klingon!!!

sorta, when they tried to explore the gamma quadrant despite repeated warnings, and threats, and destruction of a colony, they dint stop at all. so the dominion decided to wage war on alpha quadrant.