You forgot the asians. If it weren't for them, there would be no trains. And they didn't lay those tracks willingly either.BULLSHIT. You need to stop listen to FOX News and actually read the history of the Founding of the USA. White people controlled the government and the nation was built on their Constitution, but all three races built the nation.
America was founded by white people from Europe, black people from Africa, and Hispanics from Mexico. And they started by subjugating the Native Americans, and stealing their land. The South-West was explored and settled by Hispanics. White people weren't all that interested until gold was found in California.
The Europeans along the East Coast fought to liberate the nation from the English, and set up the framework of the nation, which was expected to be a collection of "colonies" along the East Coast. Not a massive nation from sea to sea.