Which is the relationship between the russian empire and the two headed eagle?

The double-headed eagle was a main element of the coat of arms of the Russian Empire (1721-1917), modified in various ways from the reign of Ivan III (1462–1505) onwards, with the shape of the eagle getting its definite Russian form during the reign of Peter the Great (1682–1725).

Explanation:

what are the statements

answer' recieve unequal treatment as a group;