The most active period of social movement rhetoric in the 20th century was the 1960s. This period roughly begins with a build-up from the Brown v. Board of Education of Topeka Supreme Court Decision of 1954. This desegregation decision began the Civil Rights movement.
Either way, a Safety Data Sheet, SDS, is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance.
A balance sheet is a statement of a company's financial position at a particular moment in time. This financial report shows the two sides of a company's financial situation -- what it owns and what it owes.