The grievance with the occupied foreign force, the same weakness of the Afghan government military became the driving force for the invincible Taliban.

After the period of ruling Afghanistan since 1995 to 2001, the Taliban regime was overthrown when the US brought troops to support the Northern Union rebels and gained power.

In the past 20 years, the US has poured millions of billion dollars in Afghanistan, building a large military force equipped with modern, with the goal of erasing the Taliban and building a long-term democracy in this country.

Despite the intense attacks with modern combat methods from a superpower, the Taliban not only exists, but now has now re-exported, gaining the right to control most of Afghan rural areas and captured

According to Majid Ansari, the Director of the Qatar International Security Research Institute, the Taliban still maintains a partial strength due to occupied foreign forces that do not solve the socio-economic issues in Afghanistan,

The problem with Afghanistan is even after the US comes to promote conditions for democracy, the original root causes of the fighting has never been resolved.

Taliban patrol car in Farah City, southwestern Afghanistan, on August 11.

The Taliban announced to fight against the occupied forces to liberate Afghanistan, but still strengthened the momentum to target the central government even if the US declared the withdrawal.

The experts in the region are supposed to agree that the ability to lead weaknesses and corruption in the Afghan government government, stemming from the defeat policies of the US lead, also increased their power

Recently, Taliban began attacking urban areas and occupying many important cities, simultaneously surrounding cities like Kandahar, where mostly belong to Pashtun ethnicity and informed the collapse of the regime

Many motivations have changed over the past 20 years.

The Taliban's sweeping around northern Northern Afghanistan seems to show that the rebel group has expanded its power to where Pashtun people do not dominate.

I'm afraid the invasion led by the US to Afghanistan did not establish a sustainable government that could represent the needs and aspirations of all Afghan people, Ansari said.

According to him, local forces in northern Afghanistan have predicted the inevitable collapse of the central government after the US withdraws the troops, so their urgent needs must be alliances with the Taliban to survive

The Taliban was only strong because of President Ashraf Ghani and the Weak Afghan Government, Kamal Alam, a senior specialist at the Atlantic Council, said.

Alam believes that people like Ahmad Massoud have the ability to lead Afghan people to escape the Taliban rule.

During the press conference on August 7, President Ghani said the government would reform the country's corruption system.

Meanwhile, the Afghan government tried not to admit these victories of the Taliban even though the rebel group was said to have 65% of Afghan territory.

Control area in Afghanistan.

Similar to many other analysts, Baheer assessed outside the capital of the Taliban, the intense progress of this group is closely related to the US withdrawal from Afghanistan.

On the other hand, the Afghan government seems to believe in the negotiations between the US with the Taliban and has never been ready for such a severe attacking campaign, Baheer said.

According to Baheer, the fact that foreign forces with a lack of carefully calculated in fragile countries like Afghanistan could make the situation worse.

Taliban is the Afghan people who should understand very well on political, social and local motivations.

The government's failures, corruption evils and his father in the government made the Afghan people support the Taliban.

These are inherent for a long time.