Because if their was an even number the votes could be tied.
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
A, because Martin Luther King and Gandhi both believed in peaceful protests such as hunger strikes (Gandhi), marches (both) and boycotts (both).