Because they were worried that the undemocratic institutions would in turn lead those in power to tyrannize the public
Explanation:
Antifederalists were sharply critical of the structure of the Senate, the executive, including that of the federal judiciary under the Constitution because they worried these undemocratic institutions would lead those in power to tyrannize the public because undemocratic institutions is the institutions that is been controlled by one person or a small number of people, rather than be controlled by all the people involve, hence leading those in power to tyrannize the public by exercising absolute power or control by either cruelly or oppressively.
A map that shows an area in great detail, such as a street map of a neighborhood, is called a large-scale map because objects on the map are relatively large. A map of a larger area, such as a continent or the world, is called a small-scale map because objects on the map are relatively small.