Mention the achievements of the following Muslim leaders Abu Bakr Al Sedeek
Omar Ibn Al Kathab
Khalid ibn Al Walid:

The achievements are given below.

Explanation:

The caliphate's response against the rebellions in the form of fake prophets occurs in the form of Ridda wars. Hazrat Abu Bakr plays a key role in preserving the Quran in written form and expeditions into Persia and Syria in order to expand the boundaries of the Islamic state are the some of the achievements of Hazrat Abu Bakr Al Sedeek.

The attacks of Hazrat Omar Ibn Al Kathab against the Sasanian Empire resulted in the conquest of Persia in under two years that occur in 642–644. He established the permanent military installation in cities of al-Fustat in Egypt and Basra and Kufah in Iraq, Umar's legendary administration is best as he systematized the rule of vast empire.

Hazrat Khalid ibn Al Walid greatest achievements were his quick conquest with the Persian Empire and Roman Syria within three years which started from 633 to 636. His greatest tactical achievements were his successful double military tactic at Walaja and his victories at the wars of Ullais and Yarmouk.

boundary is what it refers to hope this

explanation:

the answer is states.