i do not personally know Taliban. i am not witness of any of their actions. you're not either but you call them terrorists.
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If you Google "Taliban Rule", you'll come up with a few things.
This is one of the Taliban's religious police beating a woman in the street. The burqa was compulsory, as well as many restrictions on women that deserve to be called barbaric.
some of the restrictions imposed by Taliban in Afghanistan
They killed innocent people and blew up embassies.
In early August 1998 the Taliban's difficulties in relations with foreign groups became much more serious. After attacking the city of Mazar, Taliban forces killed several thousand civilians and 10 Iranian diplomats and intelligence officers in the Iranian consulate. Alleged radio intercepts indicate Mullah Omar personally approved the killings.[82] The Iranian government was incensed and a "full-blown regional crisis" ensued with Iran mobilizing 200,000 regular troops,[83] though war was averted.
A day before the capture of Mazar, affiliates of Taliban guest Osama bin Laden bombed two U.S. embassies in Africa killing 224 and wounding 4500 mostly African victims. The United States responded by launching cruise missiles attacks on suspected terrorists camps in Afghanistan killing over 20 though failing to kill bin Laden or even many al-Qaeda. Mullah Omar condemned the missile attack and American President Bill Clinton.[84] Saudi Arabia expelled the Taliban envoy in Saudi Arabia in protest over the Taliban's refusal to turn over bin Laden and after Mullah Omar allegedly insulted the Saudi royal family.[85] In mid-October the UN Security Council voted unanimously to ban commercial aircraft flights to and from Afghanistan and freeze its bank accounts world wide.[86]
Source:
Taliban - Wikipedia, the free encyclopedia
They starved animals at the zoo, destroyed anything deemed "polytheistic" - including museum pieces. They banned movie theatres, banned New Year, Ashura, and festivity at Eid.
They destroyed the Buddhas of Bamiyan, Saudi Arabia and the United Arab Emirates responded to their actions as savage, and Pakistan asked them to spare them, as well, but they did not.
They wanted any non-Muslim to wear a yellow patch on their arm.
The regime's isolation grew in March 2001 with the destruction of Afghanistan's most significant archeological treasures, the 1500-year-old giant Buddha statues, (the two largest were 55 and 37 meters high) in Bamiyan. That month the Taliban also issued a decree ordering non-Muslims to wear distinctive yellow patches.
Source:
Taliban - Wikipedia, the free encyclopedia
Their "distinctive yellow patches" show a similarity with something from the past.
So in short, they oppressed women, killed innocent people, destroyed cultural heritage and artefacts, and wanted any non-Muslim to wear a patch identifying them.
So, are the Taliban terrorists? Yes.
If they are not, then they are still iconoclasts, sexists, chauvinists, racists (killing of the Hazaras in ethnic cleansing (see below*)) bigots, and murderers. That cannot be dismissed.
*Hazaras in Afghanistan Taliban:
AFGHANISTAN