Putin said that Syrian President Bashar Assad, who visited Moscow last year, has pledged to help achieve that
The Duma's decision was endorsed by the constitutional court
While Russia doesn't expect any rapid progress on lifting the sanctions, Putin is hopeful there is light at the end of the tunnel
He drew attention to the influx of migrants and the growth of the population in Russia
It will help narrow gaps in Moscow and Washington's positions on Syria and Ukraine crises
However, he said that Russian airbase in Hemeimeem and a naval facility in the Syrian port of Tartous will continue to operate