Which factor most hindered the efforts of both napoleon and hitler to conquer russia? * 1 point 1. climate 2. fortifications 3. advanced technology 4. lack of ports?

The correct answer is climate.
the invasions of Russia by Germany in WWII were unsuccessful in part because of the harsh climatic conditions in the country. A harsh winter also contributed to the defeat of Napoleon's troops during the invasion of Russia. All this factors are related to the climate.

Ithink the answer is b