Because they just went through a revolution, and the fear of having limited rights and no say was still current at the time. States wanted to know that people would be protected, and their rights would be preserved and defended. =)
You could do a PowerPoint ,comic,or performance showing how it developed into a problem between the 13 colonies and Britian.
Answer: All-encompassing sectional differences on the issue of slavery, such as outright support/opposition of slavery, economic practices, religious practices, education, cultural differences, and political differences kept the North and South at near constant opposition to one another on the issue of slavery.
Henry Ford's car factories brought many jobs to the people of Michigan, it gave the working class a better quality of life and brought wealth to the state.
Since the main economic activities revolve around the NASA's space center because of the quantity of people it attracts and works there, once the facilities are closed you can predict their average household income shall decrease because there will not be as many people around anymore. This has happened in other cases with petroleum companies, many towns have formed around their facilities and once they move the towns have to face a big income decrease.