And the 23-year-old has now revealed that he believes people do not put drivers from the States on the same level as those from Europe or elsewhere.
“I think people think and expect less from an American driver," he told Motorsport.com.
"But at the end of the day, it doesn't matter, because as long as the people who matter sort of know what's going on, and know what you're capable of, that's all that matters.
“So the external noise is just realistically completely irrelevant. You just do your job, you keep working hard, and you work with the people who can make a difference to your career, and you do your best for them.
“They also try to help you move forward as well. And that's all you can really do. So as long as the people who need to know, know, then the rest is completely irrelevant.”
“I just believe there's a lot of obstacles for Americans to get into F1,” he added. “It's not easy to sort of pick your life up, move to Europe and race overseas. It costs a lot of money. It’s just a lot easier to race in America.
“And you obviously have great options there between IndyCar and NASCAR. It’s not an easy move for anyone. So I feel like that's why I feel, and especially when I was coming through, there were very few American drivers even attempting to get to F1.”
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