Which of the following were new inventions or developments that contributed to the nation's economic expansion in the early 1800s? Check all of the boxes that apply.

steamships
cotton gin
McCormick reaper
Erie Canal
spoils system

it would have concentrated power in the executive branch of the government. it would have restored balance among the three branches of government. it would have set a precedent for government intervention in the economy. it would have signaled an end to all the programs of roosevelt’s new deal.

did this .

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live