Summary of poisonous gas during WW1?

What was the main point of truman doctrine ?

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

Brianliestttme : ) -why was pakistan created?