Which of the following is true about foreign-born entrepreneurs in the United States?

	Very few start-ups in high-tech fields are founded by immigrants.
	For most of American history, immigration was severely limited. Therefore, foreign-born entrepreneurs are a recent phenomenon.
	Twenty-five percent of all patents are issued to foreign-born individuals.
	Historically, entrepreneurs from all over the world came to the United States with dreams of starting their own businesses. However, this has ceased to be the case over the last twenty years.