Iran’s new negotiating team signaled few compromises as it resumed talks over freezing its nuclear program amid reports of new uranium enrichment efforts.

Iran is facing international pressure over its nuclear program and assassinations of top officials. Meanwhile, its move to lift subsidies could stir public revolt.

Iran welcomes the departure of U.S. forces from its eastern neighbor but could have concerns about the potential reemergence of Sunni-Shia tensions with the Taliban back in power.