There, too, fighting raged as militants closed in on a government military base while Turkey-backed and Kurdish-backed fighters clashed with the extremist group in three provinces.
He noted that al-Qaeda emerged amid U.S. funding of mujahedin groups during the Soviet war in Afghanistan in the 1980s and that Islamic State arose amid the USA occupation of Iraq in 2003.
They are scheduled to begin on Monday in the Central Asian nation.
Armed conflict continues in Syria since March 2011.
Turkish Foreign Minister Mevlut Cavusoglu said on Saturday that Turkey and Russian Federation had chose to invite US President-elect Donald Trump's transition team to the Astana talks, which are scheduled to begin on January 23.
The second objective at Astana, said Lavrov, is "involvement" of rebel field commanders in the political process. The rebel groups and Assad are accusing each other of violating the cease-fire. "These units will be led by Russian and Turkish officers", the source said.
Lavrov also alleged that US diplomats regularly attended Russian opposition rallies, some of them in disguise.
Several other leading rebel groups decided on Monday that they would be at the talks, which will be attended by the government of Syrian President Bashar al-Assad and are backed by Russian Federation and Turkey.
Negotiations between the Syrian government and opposition negotiators to reach a political solution to the six-year war in Syria are due to begin on January 23.
Earlier this month, Syrian President Bashar al-Assad said he was "optimistic" about the talks and would be "ready for reconciliation with (rebels) on the condition that they lay down their arms", according to the French lawmakers with whom he met.
Trump's team will study an invitation to join the Syria talks after his inauguration on Friday, Russia's state-run RIA Novosti news service reported, citing an unidentified person close to the incoming administration. "Everyone has agreed", Mr Alloush, the head of the political office of Jaysh al-Islam, told AFP news agency.