Janine, Spaniards and Italians are white Europeans.  Mexicans are Native Americans who were conquered by the Spanish and who now speak Spanish as the national language.   There most certainly would be a Mexico without Europeans, and in fact, the word "Mexico" itself is from an indigenous language that means "place of the Mexica," people who existed long before Europeans arrived in the west.

Martin Luther was an early 16th century German theologian who was instrumental in the protestant reformation.   Martin Luther King, Sr., was a 20th century African American named after Martin Luther.  His son, Martin Luther King, Jr. was a 20th century African American civil rights leader.     Martin Luther was white as snow.  Martin Luther King, Sr. and Jr., were black.