Which events sparked world war i? check all that apply.

Let's look at all the options:
The assassination of Archduke Franz Ferdinand angered Austria. 
-this is correct! This assassination happened in Sarajevo. 

Serbia declared war on Austria,which caused Austria’s allies to go to war
This is false: the opposite is true; Austria declared war on Serbia, and then Serbia's Ally, Russia joined the war

Nationalism increased tensions in the Balkan peninsula.
This is true. Because of this a conflict could be foreseen.

 Russia's mobilization plan called for an invasion of France through Belgium. 
This is false- not Russia, but Germany had such a plan.

 
Alliances caused a chain of events that pulled each country into war.
Very true!

The two alliences were Austria-Germany-Italy and Russia-France-UK 
hope it helps

Answership building; new england was almost entirely mercantilist