ຣັດເຊຍຫ້າມນຳເຂົ້າ ອາຫານຈາກຢູໂຣບ ແລະສະຫະລັດ

Women choose Dutch tomatoes at a supermarket in downtown Moscow, Aug. 7, 2014. The Russian government has banned all imports of meat, fish, milk and milk products, fruits and vegetables from the United States, the European Union, Australia, Canada and Norway, Prime Minister Dmitry Medvedev announced Aug. 7, 2014.

Premier Dmitry Medvedev at the Cabinet meeting announces sanctions, on behalf of the Russian government, banning all imports of meat, fish, milk and milk products, fruits and vegetables from the United States, European Union, Australia, Canada and Norway in Moscow on Thursday, Aug. 7, 2014.

Fruit farmers marched in Warsaw to encourage Poles to eat more apples to offset the expected negative effects of a ban that Russia imposed last week on Polish fruit. In this photo, a woman is picking apples to buy at 1.99 zlotys (euro 0.47) per kilo at a supermarket in Warsaw, Poland, Aug. 6, 2014.

An activist smokes a cigarette after clashes with a special forces police battalion in Independence Square, Kyiv, Ukraine, Aug. 7, 2014.

A woman shops for sweets from an assortment of imported food stuffs at a supermarket in downtown Moscow, Aug. 7, 2014.

Imported meat products are displayed at a supermarket in Novosibirsk, about 2,800 kilometers east of Moscow, Russia, Aug. 7, 2014.

Activists clash with a special forces police battalion, in Independence Square, Kyiv, Ukraine, Aug. 7, 2014.

Worries about Russian troops amassing near the Ukrainian border are pushing stocks slightly lower. Trader Steven Kaplan, left, works on the floor of the New York Stock Exchange, New York, NY, Aug. 6, 2014.