Why did each of the states write a constitution soon after independence was declared?

The collapse of the roman empire most likely to empower the catholic church because

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 was a major failing of the united states under the articles of confederation?