Historical prerequisites for the emergence and consolidation of financial instruments in the law

The article analyzes the historical conditions of the emergence of financial instruments and the features of their consolidation in the basic legal orders. The concept of prerequisites as some inevitable conditions for the financial instruments legal constructions formation revealed. The systematization of the basic prerequisites proposed. The common features that are generally characteristics of the financial instruments category from the point of view of historical development are highlighted. Special attention is paid to the Law of Ancient Rome, the East, as well as European law of the Middle Ages and bourgeois revolutions.