In South and Central America, the extraction of the precious metal, , from the earth began in the south and spread northward with the technical skill of the craftspeople gaining in technique as it spread.

How did the songhai empire strengthen islam

How have the changes in china's laws affected its economy?

Which beliefs and principles in the declaration of independence and the u.s. constitution create a national identity? a.) belief in god, allegiance to popular sovereignty, and states’ rights. b.) free enterprise system, free trade system, and separation of powers. c.) individual freedom, political equality, and unalienable rights. d.) powerful executive branch, judicial review, and bicameral legislature.