The correct options are
A Feuds among commanders led to the defeat of Marathas.
B Maratha cavalry was ambushed by Afghan artillery.
D The clout of Marathas and their imperialism ended at Panipat.
The clout of Marathas and their imperialism ended at Panipat in 1761. They lost the battle against Afghans, led by Ahmad Shah Abdali. Maratha cavalry was ambushed by Afghan artillery. Feuds among commanders and varied tactics led to the defeat of Marathas.