Europeans Were Able to Conquer Large Landmasses in Asia and to Plant

Europeans were able to conquer large landmasses in Asia and to plant colonies of the sort found in the Americas because of

A) the sudden, unexpected collapse of the Mughals and other gunpowder-fueled Asian states in the later eighteenth century
B) their development of superior firearms
C) their overwhelming manpower
D) their nimbler, faster ships