Who were the first people to settle in the new world

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

What are new social classes emerged due to advancement in agriculture ?

This map shows north korea and south korea today. how does this map reflect the impact of the korean war?