REPRESSION: What did State legislatures do to tighten controls on African-American slaves?

c. troops marched forward in close formation against newer, more accurate weapons

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.