Russia was successful in defeating Napoleon's troops due to the weather. Napoleon had far superior troops and technology, he just left at the wrong time of the year. His men were not prepared. They were not ready for freezing temperatures. They left in the summer and didn't pack their wool uniforms because they had assumed it would be a quick win. This will also lead to Napoleon's downfall as he turns an ally into and enemy must then fight a 2-front war (fight on both sides: British in the West and Russians in the East).
Answer: B
Primary sources are basically written by people who had first hand experience with what they are writing about
Boycotts don't work because the Movements have no facts or real necessary discrimination behind them
for example
Black Lives Matter
Feminests
Well the north was is pretty good shape because they had more factories and miles of rail road also they had many goods being sold and traded