 Itangazo ryasohowe nibiro bye bya White House nyuma yijambo rye, rivuga ko aya masezerano ananirwa gucyemura byukuri guhererekanya intwaro bitagize icyo byitayeho kuko ibindi bihugu biri mu bya mbere mu gucuruza intwaro ku isi - birimo Uburusiya nUbushinwa - bitayashyizeho umukono. 