they use compass' and map.Also before maps were invented they used the sun,moon,stars, and color of ocean (if at sea)
They used a transit...which looks a bit like a telescope.
from the wind
really easy
Compass helped the explorers
Because the Panama Canal did not exist.
Well the early explorers wont need a compass if they had an atlas because if the had one it will be easy just as the compass to figure out where they were by using the map
yes, lots of explorers use ropes.
What points did sailors use to navigate
Their primary navigation aid would have been the North Star. As accurate time pieces had not yet been created, they had no way of determining their longitude and the stars did little to assist them.
Lewis and Clark
There is the G.P.S and the navigator in such as cars airplanes and any other devices.
they use their brain and they use their eyes