Expanded trade, regional empires, and increased global trade are all effects of which of "<span>b. the transition from river valley civilizations to classical civilization," since classical civilizations engaged in more far-reaching trade and cultural diffusion. </span>
I believe the three terms you are looking for is diplomatic, military, and economic ways.
C) While European immigrants tended to migrate to the East Coast of the U.S., Asian immigrants tended to migrate to the West Coast of the United States is the statement which is true. This happened purely for geographical purposes, Asia was closest to the West Coast, with many Chinese immigrants settling in California, and Europe was closes to the East Coast, with many Germans and Irish people settling in New York and Boston, respectively.
