Why US continues to back remnants of Shah regime, anti-Iran terrorist groups?

Imam Khomeini, the late founder of the Islamic Republic had launched a massive struggle against Shah regime and his western backers.

Imam Khomeini denounced US' hegemonic agenda, described American officials as untrustworthy

Imam once said that the US never “refrains from committing any crime in order to gain political, economic, cultural and military dominance and hegemony”

Leader says no negotiations with bullying US

Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei has reiterated, “The preeminent late Imam [Khomeini] had also forbidden talks with the US until this regime mends its ways and we also emphasize this point.”

US sanctions in Imam Khomeini's viewpoints

Not being concerned of the military threats and economic sanctions

Imam Khomeini defined US-led sanctions, embargoes as divine gift

The danger of neglecting America in Imam Khomeini's viewpoints

Iranian president says US not trustworthy for negotiations

Iranian President Hassan Rouhani made the remarks in a live televised interview on Monday, in which he answered questions on Iran's domestic issues and foreign developments, particularly after the US withdrawal from a landmark nuclear agreement, officially known as the Joint Comprehensive Plan of Action (JCPOA) in May.