Which defines the Weimar Republic?

the union of the countries of Germany and Austria following WWI
the name proposed for the new German nation by the rising Nazi Party
the state in southern Germany that dominated German politics after WWI
the name for the democratic German government from 1919 to 1933

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.