Why do the U.S. support Ukraine which has Nazi laws?

In the middle of April, I published an article which dealt with the question whether some Ukrainian laws are the Nazi ones (see here).
This article was discussed on some Internet forums and nobody could disprove that these laws are the Nazi ones, indeed. 

 It’s an obvious fact that, for example, ethnic Crimean Tatars - according to these laws - are “first-rate” citizens of Ukraine and have more rights; ethnic Hungarians are “second-rate” citizens and have less rights than Crimean Tatars; and ethnic Russians are “third-rate” citizens and have less rights than Hungarians. 

It’s another obvious fact, that Ukrainian rulers always make territorial claims to the Russian Crimean Peninsula, where ethnic Russians amount to 67.9% of population (see here).
It means that the Ukrainian rulers want to turn 67.9% of Crimean population into citizens of the “third-rate”!

At the same time, Ukraine intensively armed itself, constantly declared its plans to join NATO etc. The Russian government many times tried to persuade the Ukrainian rulers to remain nonaligned, to let Crimea stay in Russia etc. But Ukraine continued to arm itself etc. 

At a certain point of time the Russian government decided that the actions of the Ukrainian rulers reached a dangerous point and very soon the situation could become even more dangerous. And then, the Russian government decided to start a military operation against Ukraine. 

But the U.S. supported and support all Ukrainian actions including its claims to the Crimean Peninsula – despite of the Nazi laws in Ukraine.
It means that the U.S. support, inter alia, the Ukrainian plan to turn 67.9% of Crimean population into citizens of the “third-rate”!

The question naturally arises – Why do the U.S. support such a country as Ukraine? 

My opinion is that it doesn’t matter for the U.S. what kind of a country Ukraine is. The U.S. want to reduce Russian influence in Europe; the U.S. want to sell their liquefied gas in Europe etc.
Therefore, in my opinion, the U.S. are ready to support even Nazis if these Nazis are hostile towards Russia.