The New Jersey plan called for D) equal representation for all states in the Congress. This plan called for equal representation to protect the rights of "small states" who feared that large states would dominate the legislature if representation was based on the size of the state's population.
He promised to solve Italy's Economic problems.
The belief that American settlers should start spreading westward and settling those lands.
Answer:
Immigration policies refer to a national sphere because it affects the country as a whole, so all changes and the formulation process of an immigration policy must come from a national sphere and the whole country needs to live by these laws and policies.
I'm not sure what your word choice is, but the economy during the 1920s was "good". Prior to the Depression, the economy was stable and business investments were increasing.