How did the American Army get lucky in the battles of New York?

Poor weather both kept the British ships from entering the East River and provided a cover for the Americans to escape across the river to Manhattan.

Explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

c. troops marched forward in close formation against newer, more accurate weapons