Which event had the immediate effect of causing germany to declare war on the allies?
do anyone know the answer i'm stuck on this question

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?

How was apartheid practiced in south africa