Gerhard Lenski argued that what makes a society evolve?

General evolution is the tendency of cultural and social systems to increase in complexity, organization and adaptiveness to environment. ... He views technological progress as the most basic factor in the evolution of societies and cultures.

answer; make a decision about which healthcare product to purchase///or review the decision about the healthcare product; good luck

if an attention line is required on a business letter envelope the united states postal service remmends placing it