PLEASE HELP ASAP Diseases from which two continents killed millions of American Indians in the late 1400s and early 1500s?

Europe and Africa
Europe and Asia
Europe and North America
Europe and South America

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

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

By granting amnesty to americans who had invaded the draft president carter hope to