нивелироваться(level off/out: 1. to stop rising or falling and remain horizontal The plane levelled off at 1 500 feet. After the long hill, the road levelled out. 2. to stay at a steady level of development or progress after a period of sharp rises or falls Sales have levelled off after a period of rapid growth. OALD Alexander Demidov)
уравнять правила игры(The Russia director of a U.S. oil and gas services company whose clients include Gazprom told The Moscow Times that WTO accession was likely to level the playing field as far as service companies were concerned. TMT Alexander Demidov)