Consider the facts about Afghanistan and choose the correct answers:

A. King Zahir Shah ruled Afghanistan for decades.
B. Mullah Muhammad Omar was the Supreme leader of the First Taliban government.
C. Indus River originates from Afghanistan.
D. Iraq shares a land border with Afghanistan.
E. Soviet Union invaded Afghanistan in 1979.

Choose the correct answer from the options given below:

Correct option is D

Let's consider each statement about Afghanistan:

A. King Zahir Shah ruled Afghanistan for decades.

Fact: Mohammed Zahir Shah was the last King of Afghanistan, reigning from 1933 to 1973. This is indeed "decades" (40 years). So, statement A is correct.

B. Mullah Muhammad Omar was the Supreme leader of the First Taliban government.

Fact: Mullah Mohammed Omar was indeed the spiritual leader and commander of the Taliban, holding the title of "Commander of the Faithful" (Amir al-Mu'minin) during the period of the Islamic Emirate of Afghanistan (the first Taliban government from 1996 to 2001). So, statement B is correct.

C. Indus River originates from Afghanistan.

Fact: The Indus River originates in the Tibetan Plateau, near Lake Manasarovar in Tibet, China. It does not originate in Afghanistan. So, statement C is incorrect.

D. Iraq shares a land border with Afghanistan.

Fact: Iraq does not share a land border with Afghanistan. The countries between Iraq and Afghanistan are Iran. So, statement D is incorrect.

E. Soviet Union invaded Afghanistan in 1979.

Fact: The Soviet-Afghan War began with the Soviet invasion of Afghanistan in December 1979. So, statement E is correct.

Based on the analysis, the correct statements are A, B, and E.