The Continental Army stayed in Valley Forge, PA in the winter of 1777-1778. Many soilders died due to starvation, exposure to cold, etc.
They were being taxed unfairly with out any input.
1. The dynamo-powered torch. Power was always a problem in WW2 and in 1943 in occupied Netherlands the Philips company built a dynamo-powered flashlight for the troops. powered by a handle on top, light was generated by squeezing the handle on top.
The Great Rift Valley!!
And truth be told I’m not positive on the second answer. :(