Answer:
By helping them navigate, translation, food
Some tribes also attacked them.
Harriet Tubman aided slaves from the south to escape their captors. She courageously set up the Underground Railroad by marking trees, and whites who opposed slavery set up “safe houses” she also informed that if a slave were to get lost, to look towards the sky and find the North Star.
General Washington chose to cross an ice-chocked Delaware River winter’s night because his purpose was to make a surprise attack on a Hessian garrison which consists of 1,400 soldiers located in and around Trenton, New Jersey. Washington had hoped that a fast victory in Trenton would boost morale in his army and encourage additional men to join Continentals rank in the coming new year.