That's not to say that literally every woman from the US is going to be one way and every woman from Europe is going to be another, but culture matters.Trying to pretend it doesn't seems kind of dumb.
By Tradition, women from Eastern Europe make it a top priority to find their life partner at an early stage of adult life.
Whether they found him and later divorced or are still hoping to find him locally…
An american girl, especially if she never lived abroad, will not have this thought process, and it can lead to bad situation.
It's a large generalization, but it may help you understand the situation when you will ask yourself "WTH did she do/say that ?!?