Como é que se diz isto em Inglês (EUA)? However, I opted for the newspaper, which is owned directly by the government without any intermediaries. OR However, I opted for the newspaper, which is owned directly by the government, without any intermediaries

See a translation

In the first one, "without any intermediaries" goes with "owned directly by the government."

The sentence structure is:
However, [main statement], [additional information]

In this one, you're saying that you opted for the newspaper.
Then, you're saying that the newspaper is owned directly by the government.
Finally, you're saying that the government owns the newspaper without any intermediaries

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For the second one, the sentence structure is:
However, [main statement], [interruption], [continuation of main statement].

When you say it like this, you're saying that "without any intermediaries" goes with "I opted for the newspaper."

This time you're saying that you opted for the newspaper.
Then, you interrupt your thought to say that the newspaper is directly owned by the government.
Finally, you return to the original thought to say that the method you opted for the newspaper was without any intermediaries