the word that needs correcting is "do" the right answer is supposed to be "with"
They know how to navigate the seas. They would know how to get places quicker and more efficiently. Map making would also be better and more accurate.
The diary. Anne wanted to be a professional journalist when she grew up. She kept several notebooks when in hiding. While her first and most famous was the red-checked notebook, when that ran out of space, she moved on to others, according to the Anne Frank House.