Historians now believe that the fatal severity of the Spanish flu’s “second wave” was caused by a mutated virus spread by wartime troop movements.
Answer:
you need to break all of this down
Explanation:
its to many questions in one post
The size of the country. the soviet union had immediate access to resources, the germans couldn’t stretch their resources as far as they had come. add on the cold, the germans had quite the hard time
<span>Once there was a food surplus, complexity within early river civilizations increased, as did t</span>rade and commerce, according to the archaeological record.
