What led human ancestors to stand erect? A) the eruption of ...

[notis]

Question 1

The immediate cause of World War I was
 
  A) an uprising of Catholic peasants in Bavaria.
  B) the assassination of Austrian Archduke Francis Ferdinand in Sarajevo.
  C) the German invasion of Poland.
  D) the German naval blockage of Britain.
  E) the French occupation of the Ruhr.

Question 2

What led human ancestors to stand erect?
 
  A) the eruption of Mount Fuji and the destruction of the grasslands
  B) the planetary shift in climate leading to less dense forests
  C) the asteroid strike in Modidishu creating an ice age
  D) the tidal wave sweep of western Europe that destroyed caves
  E) the plague of malaria that wiped out the first apes

[mceravolo]

Answer 1

B

Answer 2

B

[notis]

Thanks for the timely response, appreciate it

[6ana001]

Gracias!