It never fails, that if someone on CI is seeking marital advice, there's a cadre of single guys telling him he just needs to man up and put his foot down.
Your wife doesn't respect your authority? Well, man, you just need to authoritize harder.
What a bunch of retards lol.
First off, we don't have enough information to give you genuinely helpful advice. This is a HUGE adjustment period: you're newlyweds. You have a newborn. Your wife is an immigrant. And apparently she has a secular background to boot. And you've been married less than a year, so we don't even know how much of these problems are hormonal (post-partum personality changes can be extremely difficult, although they are temporary if managed correctly).
Second, if the fundamental problem is that your wife is strongly animated by feminism then I guarantee you the "authoritize harder" approach will only affirm all of her feminist dispositions. It will make her less happy and more distrustful of you. The level of anger, anxiety, and resentment in your home will increase, not decrease. And it will increase proportionate to the intensity with which you authoritize harder.
Third, it is the business of a husband and father to lead his family so that they can flourish. Authority is a means to that end, not an end in itself. What you want, or what you should want, is for you and your wife to have a strong, holy, and happy relationship. So that your home is filled with love and your children have a good marital example modelled before them. That is a longterm project, and it's also a moving target to some degree. Navigating it correctly and effectively has almost nothing to do with your God given authority, but much more to do with your ability to manage a relationship, to inspire others trust, to reward proper behavior, and so forth.