How did the US and Canada become so diverse socially?

Conflicts between the colonists and the british that lead to the colonists thinking about independence? When and where did baseball player Reggie Jackson play? Who did the united stated defeat in 1848? What were some of the policies of the Menzies government? What are the various flags used in 8085? How many people died in the Battle of the Savannah? Can a nba game end with a tie if so how? What did Harold Godwinson control? How was the empire of Cyrus the great describe? What island was the keystone of the Japanese defenses? How do relocation camps and internment camps differ? What year did the chumash were born here the very first time? What is the location of some ancient cave paintings in Spain Called? Where did the name raga come from? When and where did baseball player Jerry Kane die? Lower Egypt lies in what part of the country? What are some questions to ask about the 9 11 attack? How did the US respond to its need for farm labor during world was II? What prohibited slavery north of the Ohio river? Who was a primary source of labor for the textile mills?