Construction of an Isthmian Canal Across Central America Was Motivated

Construction of an isthmian canal across Central America was motivated mainly by

A) a desire to improve defense by allowing rapid naval movements between two oceans.
B) the Panamanian Revolution.
C) America's growing economic interests in Asia.
D) the British rejection of the Hay-Pauncefote Treaty.
E) a clash of British and American economic interests in Central America.