Why is trading stocks in America so much better than elsewhere in the world?

I live in Europe and have always dreamt of trading stocks since I discovered it on social media. I have to pay many different fees and more taxes on stocks like (Foreign exchange fees, broker fees, high taxes and even higher on dividends + unfriendly stock and investing country laws.) and it's very frustrating, especially if I want to buy US based stocks with dollars.

In my country there's no such thing as long term or short term capital gains tax. You pay 27% tax on around $9000 profits per year and 42% on above that which is ridiculous.

If the average person wants to build large amount of wealth safely and retire comfortably, investing in the US stock market is a great option and It's been more accessible to us Europeans recently and I'm very grateful for that.

Stocks arguably have been more known to the average American and accessible to them than elsewhere in the world, why?

Why is the US🇺🇲 so much more friendly and encouraging on trading and investing in stocks? Way more brokerage options with less fees, less taxation, great retirement- programs and laws on stocks and (401k, Roth IRA, long term capital gains tax = less taxes) no foreign exchange fees since the largest traded stocks are US based companies in the largest stock exchanges (Microsoft, Nvidia, Apple, Google, Amazon etc. in NYSE AND NASDAQ)