Nr
Social Studies
14. Using all of the sources, which statements best explain how specialization affected
the economic development of regions in the United States?
Select the three correct answers.

the answer for 3 is b and the answer for 4 is d

answer: refers to a diverse array of media technologies that reach a large audience via mass communication. the technologies through which this communication takes place include a variety of outlets. your welcome i hope you me out in the future : (

explanation:

trade in silk, spices, and precious metals.

answer first choice