Why were water routes a slower means of travel?

there were no clear waterways.
travel by water needed better directional instruments.
the lack of mechanization or power.
they were used for traveling great distances.

In the course of illness senerational campaign against stephen douglas in1858 abraham declared that

What mountains did the first transcontinental railroad cross

The police have arrested helen on the charge of first-degree murder. however, she does not have enough money to hire a defense attorney. according to which amendment in the bill of rights is the court obligated to hire an attorney to represent helen during her trial?