What are two considerations for the federal system of america according to madison in federalist paper #51?

Which russian tsar transformed thr royal residence in st. petersburg, the hermitage, into a center of culture, painting, and the performing arts

Which of the following shows the correct order of events? catt’s “winning plan,” suffrage in some western states, the nineteenth amendment suffrage in some western states, the nineteenth amendment, catt’s “winning plan” suffrage in some western states, catt’s “winning plan,” the nineteenth amendment catt’s “winning plan,” the nineteenth amendment, suffrage in some western states

Why are nation-states difficult to create?